Frequency dependent reactance in material definitions

I am trying to run a simulation for a material with a frequency dependent reactance. However, when I attempt to enter a variable for the frequency in the material definition I receive the following errors:
Global Definitions
9:50:04 PM frq - Equation Error: Variable not found '_FREQ'
EM Structure 1
9:50:04 PM STACKUP.SUB : Error evaluating parameter 'React' (Equation Error: Variable 'frq' is not valid). (Click for help.)
In both global definitions and schematics, I have tried establishing a variable for frequency as suggested in the examples by assigning frq<<_FREQ. I also created an equation to use for the reactance, ex. x(f) = (2*_PI*f). I then entered x(frq) for the reactance in the impedance defintion of the Material Defs tab of the enclosure properties. These simulations were attempted using AXIEM.
Any help would be greatly appreciated.
Solved!
Go to Solution.

There are some capabilities to make some materials frequency dependent for AXIEM.
Please see the attached project.   Output equations write some equations and are plotted to help define the equations. the STACKUP does NOT use these it is just for debugging purposes.
Then for some parameters you can enter a frequency dependency, this example is doing this for Er and TanD.
I am not sure exactly which parameter you want to make frequency dependent, I am pretty sure you can set this for the ResSQ, and React.
This should get you going.
Attachments:
FreqDepMatl.zip ‏21 KB

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Hello again Sdkpark,
Apologies the message I was writing didn't include my full post. Take a look at this great community example for a prebuilt solution to what I believe you're trying to accomplish:
http://decibel.ni.com/content/docs/DOC-5763
Let me know if this isn't what you're looking for and I'll reply back. Have a great day!
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I would like to know if it is possible the following.
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Hi,
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hi,
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The problem is that I have to create a material for billing this electronic catalog.
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BAPI_MATERIAL_BOM_GROUP_CREATE cannot be used to create object dependency.
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Workflow Material

I need some workflow material. plz. help me out
From Raj

Hi Raju
Please find some questions related to
WorkFlow
1. Is there a good book about this subject?
Yes, "Practical Workflow for SAP" by Rickayzen, Dart, Brennecke and Schneider. Available from SAP press at the end of July. A german translation of this workflow book is also available directly from Galileo-Press, the publisher.
2. How do I convince my company to use workflow?
Feedback from user groups emphasizes that although the competitive advantage gained by using workflow eclipses the financial savings, it is the financial savings that are the deciding factor when obtaining support from senior management. Projects getting the blessing at the CEO level are much easier to manage, and far more likely to reach their goal within the project time frame. So plan well, and don't neglect the business case.
Because the following questions deal with the financial case in more detail, this section will finish by listing the competitive advantages.
The quality of the process is assured by pushing the relevant information together with links to related transactions directly to the user. Managers don't have the time to search for information so give them what they need to reach the correct decision.
Cycle time is reduced by pushing the process directly to the users. The users receive notification of a task immediately and can even be prioritized by the system.
The tasks are performed consistently and diligently by the users. The workflow system pushes all the necessary information needed to perform a task, including a clear description of what has to be done, how to do it and the impact this task has on the business process for your company. At any time, the user can check the list of tasks pending and determine at a glance which are the important tasks, and which tasks can be completed the next day without any negative impact.
The process instance is transparent. Any user can check at any time how far the process has progressed and which stage the process has reached. For example the call center can immediately see the status of a purchase order, an employee requisitioning a purchase would see at a glance if a colleague has been sitting on it for too long, the ad hoc notes made when approving an engineering change request are visible long after the request has gone into production.
The process is flexible, allowing it to be changed on the fly without retraining everyone involved. The description accompanying the change takes care of on-the-fly process improvements.
Deadline handing ensures that users perform the tasks within the time planned. Escalation measures ensure that the failure to meet a deadline can be corrected by other means.
Intelligent reporting highlights the weaknesses of a process. Often there is a simple cure to such weaknesses such as reeducating the users involved in the bottleneck or providing additional information (automatically). The difficulty of a non-automated process is identifying such bottlenecks.
The process definition is transparent. You can see at a glance how the process works and who will be selected to perform the different tasks. Think of the workflow as the process book. If you can spot the pattern and define the process without headaches, you can create a workflow definition effortlessly. However, don't forget that if a company has business processes that are erratic and lack a consistent pattern, the company is very likely to be losing a lot of money in terms of lost contracts, labor intensive administration and low customer confidence. It is my personal opinion that automating exactly this type of processes will yield the best returns, but only if you limit yourself to automating the basic skeleton of the process first. Don't get bogged down in the detailed exception handling. That can be done in the next phase once you've checked the process statistics and determined which exceptions are worth tackling.
As with most software the reasons for automating business processes are primarily to increase the competitive edge of your company and to cut costs. Although the increase in competitively gained by radically reducing process times is by far the most insignificant gain from workflow, you should not ignore the cost savings. The cost saving calculations are needed by upper management in order to approve workflow projects. This upper management signature will be very useful in different phases of the project and cannot be underestimated.
3. How do I calculate the cost saved by workflow?
Calculate the cost of the manual process in terms of man hours. Don't neglect the time spent gathering information. Ask the following questions:
Is the user forced to log into different systems, or scan through printed documentation....?
Does a skilled user spend time on parts of a task, where less skilled (less expensive) user could do the groundwork? I.e. Can a single task be split into skilled and unskilled tasks to free the skilled worker for work where his/her skills are really needed?
Is time spent researching the progress of a process (usually done by someone not involved in the process directly)?
Is time spent determining who to give the task to next?
Probably the most significant cost will the be the cost of failure?
How often does the process fail?
What is the real cost of failure? Loss of a contract? Loss of a customer? Law suit?
If the failure can be rectified, how labor intensive is it?
4. What are typical costs saved by workflow?
A manually processed accounts payable invoice will cost about 25 USD. After workflow enabling about 15 USD (one example based on customer feedback from a user group meeting).
5. What are typical reductions in processing time caused by workflow?
A traditional paper based approval process involving three people will typically take seven days to complete. The automated process will take one day (results based on customer feedback).
6. What do customers say are the strengths of SAP WebFlow?
WebFlow is the internet functionality of SAP Business Workflow. Based on customer feedback from the various regional users groups, the main strengths of SAP Business Workflow are:
Robust production workflow system, (upgrade continuity with the rest of the SAP system, versioning, scalability, no gluing....)
Standard workflow templates delivered by SAP can be used out-of-the-box or tweaked to deliver the optimum business process for your company. Workflows can be up and running including training in under a day (thanks to the knowledgeware delivered as part of the template packet).
Seamlessly integrated into the SAP environment, be it R/3, Business to Business Procurement, CRM, APO, mySAP.com.... Examples of integration are:
Business Reporting (WIS),
Context sensitive availability at any time through the system menu (available anytime, anywhere)
More and more standard SAP functionality is being provided by using SAP Business Workflow so your homegrown workflows fit the landscape exactly,
More and more workflow functionality is available directly within the SAP transaction or Web MiniApp.
WebFlow is becoming more and more important because companies are no longer being judged by their own performance but by the combined performance of the company AND its partners. In other words it is not enough that the business processes within your company run smoothly and faster than your competitors. You have to ensure that the processes between you and your partners are also as fast, efficient and flexible as possible. WebFlow delivers this.
7. How are users notified about their work pending?
The users are informed by a work item which you may think of as being very like an e-mail. The difference is the work item contains intelligence and by executing the work item you will be taken to the form or SAP transaction that makes up the step in the workflow. This form or transaction could be a decision, a request for information or a request for confirmation that a particular task has been performed.
The work item is usually accompanied by a description of what has to be done, where to refer to when assistance is needed (help desk, intranet...) and a summary of information about the business object or process which enables the operator to attack the task immediately.
This work item can be received and executed in MS OutlookÒ, Lotus NotesÒ, mySAP Workflow MiniApp or the SAP integrated inbox. If this is not enough, the workflow system can transmit e-mail notifications directly to any mail system, informing the user of the need to log in to the SAP system to execute the task. The e-mail notification is done on a subscription basis so that users can de-subscribe from this service if they already check their work item inbox regularly.
8. What workflow reporting is available and is it useful?
Standard workflow reports exist which allow the administrator to check statistics such as the frequency and average duration of the workflow processes. However the real strength of the workflow reporting is that it allows reports to be configured which analyze the process statistics in combination with the data involved within the workflow process and the organizational units associated with the process. For example you can determine the average time invested in a failed contract renewal request, the time taken to create material masters in different plants or the frequency of rejected purchase requisitions on a department to department basis. Often, big reducations in cost or cycle time can be obtained without touching the workflow definitions. Reeducating a particular group of users or incorporating supplementary information in a work item description can often cause dramatic improvements on the cycle times of particularly critical subsets of the process. It is not unusual that this may have a big impact on specific products, plants or organizational units. This will show up in the WebFlow reporting in LIS or the Business Warehouse but it might not show up in traditional statistical workflow reporting. Even though the average time does not change significantly, the impact on costs and profit can be dramatic.
9. How do I choose who to distribute the tasks to?
A work item is assigned to one or more users. Whoever reserves or executes the task first wins and the work item vanishes from the other users' inboxes. This eliminates the need to assign the user to one single user. I.e. No need for complicated algorithms to determine which single user will receive the work item and no need to worry about what will happen when one user is ill for the week (also taken care of by sophisticated substitution mechanisms which can be linked to the SAP organizational model).
Tasks can be assigned to an organizational unit but the strength of the workflow system is to enable business rules which select users according to the data being processed. For example, you might have one group of users associated with one quality notification type. The workflow can be configured to query the QM module directly to determine the users. You can define fallbacks using the default role associated with a task and allow agents to be specified on the fly by a supervisor.
Tasks can be assigned to office distribution lists which is useful when you want your users to subscribe or unsubscribe to a particular task. A typical use of this would be where you have a work rote or want to reduce user maintenance to an absolute minimum. The users subscribe or unsubscribe by joining or leaving an office distribution list (one mouse click).
10. What happens when a deadline is missed?
This depends on your workflow definition. In the simplest case an e-mail is sent to another user by the system (typically your supervisor so watch out!). However in more sophisticated scenarios a missed deadline can redirect that path that the workflow takes. One customer uses deadlines to automatically make an approval if the deadline is missed (at about the eighth approval level!!!). This gives the user the chance to make rejections but does not force him/her to go into the system to approve the other 99.9% of the requests. In safety critical environments the workflow might trigger off preventative action when a deadline is missed or might put other processes on hold. There is no limit as to how you can use this functionality.
11. What deadlines can be monitored?
Many different types of deadlines can monitored. At the single workflow step level you can define deadlines which trigger when the work item has not completed within a certain time and other deadlines when no one starts working on the work item within a given time. You can specify the task deadline statically (e.g. 1 week) or dynamically (e.g. 1 week for material type A and 2 weeks for all the other materials). The offset can be related to the step (e.g. you have 1 week to complete this step) or related to the process (e.g. complete within 2 weeks of the complete process starting, irrespective of how long your colleagues have hogged the previous steps).
Last but not least, deadlines can be set for sub-processes, which is often more important than the deadline of a single step in a workflow.
12. How can I check the status of a workflow?
This is one of the very cool features of SAP Business Workflow. You can usually navigate directly from the business object to check the workflow progress. For example, while viewing a purchase order you can select "workflow" from the system menu or toolbar and you will see a list of workflows related to the purchase order. Usually just one, but if you have created a few of your own and these have been triggered you will see the status of these too. And that is not all. You also see a simplified summary of all the steps that have taken place so far including who performed them, when they were executed and which ad hoc notes were attached.
13. How are workflows triggered?
Workflows can be triggered automatically by changes in the system or manually by an operator. Manually triggered workflows are good for processes that remedy a problem the operator has noticed or for dealing with a forms-based requests (E.g. my PC won't boot). Automatically triggered workflows are useful because the operator does not even have to be aware of the workflow's existence to trigger it. In addition to triggers embedded in transactions there are also generic triggering mechanisms such as a change in the status of a business object or a change in the HR data. Irrespective of how the workflow is triggered, it is linked to the business object as described in the previous answer and can be tracked easily. Because WebFlow is part of the basis system, this triggering is reliable and easy to implement.
Workflows may be triggered by events but this is not essential. The event-handling makes it easy to trigger workflows from transactions and system changes without you having to make modifications. If you are creating your own report or transaction which triggers a workflow, avoid events and trigger the workflow directly with the WAPI function call. This is particularly important when triggering a workflow from outside the SAP system. This method reduces flexibility (the workflow ID is hard-coded) but increases performance if this is an issue (we're talking about 50 000 work items a day here!).
Any exception handling workflows that are intended to be triggered manually can be triggered from the system menu when viewing the relevant transaction. The SAP system has the intelligence to suggest workflows that can be triggered manually based on the authorization of the operator and the context that the operator is working in. No additional customizing is needed here.
14. What open interfaces are supported?
The most significant interface supported is the Wf-XML standard from the Workflow Management Coalition. This is an independent organization of which SAP is a funding member, along with most other major workflow vendors. The Wf-XML interface is based on XML and allows workflows from different vendors to communicate with each other. A detailed description of the interface is available on the WfMCs web site at www.wfmc.org.
15. What is Wf-XML used for?
Although a company is far better off workflow enabling their system with SAP WebFlow when SAP software is used anywhere within the process, a collaborative process can take place between partners using different software platforms employing different workflow systems. To support SAP customers in this situation, WebFlow offers the open interface Wf-XML. This allows Business Processes enabled using different tools to communicate and control each other. Any workflow tool offering this interface can connect up with other tools that also offer this interface.
Wf-XML is the only open interface for supporting interoperability of business processes, independent of what the business process being integrated.
16. Where does Wf-XML come from?
Wf-XML comes from the Workflow Management Coalition, an independent body of workflow vendors, customers and higher education establishments.
17. How does the workflow call procedures from non-SAP systems?
The Actional control broker integrates directly into SAP WebFlow enabling proxy objects to be called directly from the workflow step. When called, the proxy method will make a call to the outside system either as a background task or as a dialogue step. These proxy objects are generated in the SAP system using a converter which converts the objects interface (DCOM, CORBA...) to the SAP syntax. A syntax converter also lets developers view any object in any of the participating systems in the developer's preferred language.
18. How can I get the workflow initiator information in my task?
1) From your triggering event to the workflow, bind the event creator element to the workflow initiator element.
2) Create a workflow container element based on USR01.
3) Add a step based on USR01.FINDUSERFROMAGENTSTRUCTURE to convert your initiator to a USR01 object.
4) Pass the USR01 object to each task you want to display the details.
Mailing
19. What differences are there between a work item and a notification mail?
a) The work item cannot be used to notify several users.
Mails can be routed to several users, just like work items. When a mail is sent, and one recipient reads and deletes the mail, all other recipients will still have access to their own copy in their own inbox. However, when a work item is processed by one of the recipients it will automatically disappear from all the other inboxes. So you can see that a work item is unsuitable for notifying several users.
It is also worth noting that a mail can be forwarded in many different ways (fax, internet...) whereas the work item cannot.
b) The work item holds up the workflow
When the workflow sends a mail (usually as a background step) it continues with the process immediately after transmitting the mail. When a work item is generated, the workflow will not continue until the work item has been processed. This slows down the process. Occasionally this is what is intended (using the work item as an approval step without the ability to reject) but usually you will better off using mails for notifications.
Note: You can send business objects as references with the mail either as a business object reference attached to the mail or as an URL (ABAP required).
What is the difference between sending a mail to a recipient list compared to sending individual mails via a dynamic loop?
Performance. Sending 1 mail to 20 recipients will cost considerably less performance than sending 20 individual mails. If the mail is sent as a SAP Office mail (as opposed to e-mail, fax...) disk space will also be a factor because the SAP office mail will only exist once in the database, with references being created for each of the recipients.
The only time you need to consider individual mails with a dynamic loop is when the text of the mail varies from one recipient to another.
20. How do I send a standard text as an e-mail from workflow?
It is very easy sending standard text , which may include data from the workflow. You simply create a background step which sends the work item description. This may include variables which will be substituted when mail is sent.
In early releases you have to create your own task based on the method SELFITEM SendTaskDescription. In later releases a wizard is available for creating the step and in release 4.6 there is even a step type which does this all for you automatically.
Whichever path you take, there is very good online documentation describing exactly what has to be done.
21. How do I send a complex text from the workflow?
You may create mails using SAPscript. These mails can include conditions which are evaluated in order to determine which text blocks which are used in the mail. Workflow variables can be used in these conditions and workflow variables can be substituted into the body of the e-mail text.
22. How do I send really complex mails from the workflow?
If you this is not enough for you will probably want to write your own ABAP routines for generating the text and generating the attachments to go with the text.
Use the function group SO01 which contains functions of the form SO_*_API1 which are ideal for creating your own sophisticated messages. There are plenty of advantages of how these are used within the SAP system.
23. How do I send reports?
There are wizards (Release 3.1) which will create workflows for you to send reports to a distribution list. You can specify whether the results should be transmitted or evaluated at the time the recipient wishes to view the report. It is usually better to send the evaluation because this allows the recipient to see the results instantaneously, without having to wait for the report to execute first.
Deadlines
24. How can I configure the workflow so that different types of messages are sent out to different people depending on how late the processing is?
Follow these steps:
1. Specify a deadline period for the step.
2. Specify a name for the event. This adds new branch from the step.
3. Add a new step to the branch which sends a mail message.
4. Add another step to the branch which sends out the second deadline warning (see mail steps above). Use deadlines in this step to configure an earliest start so that the second message is not sent until a further time has elapsed.
5. Repeat step 5 as often as you like.
25. How can I configure the workflow so that when the deadline is missed the workflow step is simply skipped?
This is tricky to explain but easy to implement once you know how.
Follow these steps (in later releases there is a wizard which takes you through the steps):
1. In the terminating events view of the workflow step activate the "obsolete" event and give it a name.
2. Specify a deadline period for the step.
3. Specify a name for the event. This adds new branch from the step.
4. Add a new step to the deadline path. This step must be of type "process control".
5. Select the control "Make step obsolete" and use the search help to specify the workflow step that has the deadline. Only steps with obsolete paths defined will be displayed (see step 1).
26. How do I trigger a workflow with an e-mail?
You can customize the system to call a BOR method when an external mail (fax, e-mail...) arrives in the system. You BOR method should either trigger the e-mail directly or trigger an event. To customize this user exit use the transaction SCOT.
27. How can I make sure that user's access their tasks via the workflow and not via the menu or launch pad?
The routing mechanism for work items uses roles and organizational assignments to determine who receives which work item. However the routing does not provide extra authorization checks based on the routing configuration. If you want to ensure that the tasks are executed within the workflow, and not via the standard transaction, service or MiniApp, then you will have to apply your own protection.
The simplest way of doing this is to remove the standard transaction from the user's menu or Workplace role (but include it in the supervisor's role, just in case).
If you want to allow the user to execute the task from the menu if and only if they have received the work item then you should replace the standard transaction with your own custom built transaction. Your own transaction simply calls the standard transaction but performs it's own authorization check first, based on the routing mechanism used in the workflow. Tip: Add a second (ored) authorization check to make sure that a supervisor can execute the transaction in an emergency.
28. What is a workflow? What is a single-step task?
A single-step task is based on an object type from the object business repository (BOR) (for example, a purchase order) and a method for the object (for example, change). A workflow can contain several single-step tasks and activities such as loops and forks. Through a workflow, you create a logical sequence for the single-step tasks. The tool for creating or changing these types of workflows (workflow template) is the Workflow Builder (transaction SWDD).
29. What is a work item (important terms)?
A work item is the runtime object of a workflow or of a single-step task.You can execute dialog work items with the inbox (transaction SBWP). Each workflow and single-step task started is assigned a unique number known as the work item ID.
30. How is an event triggered from the application and a workflow then started?
An event can be triggered from the application in three different ways:
Directly:
Within the application, the SWE_EVENT_CREATE function module or the SWE_EVENT_CREAT_IN_UPD_TASK function module, for example, generates an event in the update.
With a change document:
Change documents are written within the application when you change application objects in the update. You can link events that have the same key with these types of change documents via transaction SWEC.
With status management:
The SWE_EVENT_CREATE_STATUS function module triggers an event in the same way as the direct method when a status is changed. This event contains the object type (for example, purchase order), the object key (for example, purchase order 4711) and other information. Using transaction PFTC, you can assign the event to a specific workflow or single-step task. More settings are available in transaction SWE2.
31. How are the responsible agents determined?
You can assign agents to a single-step task in transaction PFTC. For example, you can do this using organizational units, work center roles or positions. Within a workflow pattern, you can assign specific agents for this workflow to a single-step task. The overlap between both numbers of 'possible agents' represents the number of agents ('selected agents') who have the work item in the inbox later.
32. What is the difference of between an e-mail and a work item?
E-mails and work items are two completely separate things. They just happen to be displayed in the same inbox. An e-mail is a message sent to one or several people. However, a work item is a runtime object of a single-step task or workflow. Consequently, a work item cannot be deleted from the inbox of a user. In this case in fact, you have to adjust the agent assignment or delete the work item as described in note 49545.
33. PFAC no longer works for my role responsibility setup...
Use tx: OOCU_RESP
34. How do I transport workflow definitions and agent assignments?
When transporting workflows, you have to differentiate between the workflow definition and the agent assignment.
A workflow definition is a workbench request. When you save the workflow, a workflow version is created and a request written. Further information about the transport or about the status management is provided in note 378487 and in the notes mentioned there under related notes.
However, where the agent assignment is concerned, this is a Customizing request. To allow transport of agent assignments, the value of the semantic abbreviation CORR for the TRSP group name must be empty in table T77S0.
35. How do you debug a background workflow process?
In your method write the following code:
data exit.
Do.
if exit = 'X'.
exit.
endif.
enddo.
Run the workflow, causing an infinite loop on that step, and then go to SM50.
Here you can debug the process.
36.What is the Workflow basic Customizing?
Before you can use the Workflow module, you must first execute the basic Customizing in transaction SWU3. All of the listed points should be green (the number range for customer tasks is no longer required). A detailed description of the activities is provided in the relevant information buttons. You can also execute some (but not all) of the points using the Automatic Customizing button. See the online documentation for an exact description of what happens there. The RFC destination must work correctly and the user (usually WF BATCH) should have the SAP_ALL profile.
37.: What options do I have as a user to configure the inbox individually?
You have the following options:
You can create separate user-dependent or user-independent layouts so that you can adapt the displayed columns individually. You can access the function in the Workplace via an application function key.
You can set filters to set certain criteria for individual columns or several columns simultaneously, according to which specific work items are then filtered.
You can add dynamic columns in the layout that then display dynamic elements for certain tasks and users from the work item container. However, this is only possible if all tasks in the inbox belong to just one task. If they have several tasks in the inbox, filtering serves no useful purpose because all tasks are first completely read once. You can define these dynamic columns using transaction SWL1.
38. What does the substitute rule system look like in the workflow?
You have a choice of two different substitute rulings:
Active substitute ruling (for example, for absence due to vacations): In this case, the items belonging to the absent person are automatically assigned to the substitutes inbox (in addition to his own work items).
Passive substitution (for example, for absence due to illness): the substitute must explicitly assume the substitution and can only view the items of the absent person in this mode.
For other questions, you must also refer to note 74000.
39. How can users be automatically notified that new work items are available for processing?
Unfortunately, the dialog box that informs users of new work items which appears in SAPoffice is not available within SAP Systems.
However, the following two options are provided:
In the Workflow Builder, you can designate the item as an express item via additional data. The user then receives a corresponding express dialog box.
The RSWUWFML report (note 131795) is a more flexible option. This report sends an e-mail to an external Internet address to notify the user of new work items.
40. Can I set deadlines for the latest processing of work items?
this is where you can use deadline monitoring for work items. In the Workflow Builder, you can set dates for a requested/latest start/end date for each individual step. You must schedule the SWWDHEX job via transaction SWU3 for this. Schedule the job permanently in the production system otherwise it is difficult for the job to schedule individual deadline monitoring scenarios when workflow is heavy.
41. Can I also execute work items with external programs such as Outlook?
You can use the Web GUI for HTML instead of the Windows GUI. However, note that some functions do no work in the WEB GUI, due to technical restrictions in the browser. You must refer to note 487649 on this subject.
SAP also provides interfaces which allow you to process work items with external programs such as Lotus Notes or Microsoft Outlook. Refer to notes 77099, 98408 and 454845 for details.
Reward points if this helps you
Reagrds,
Amber S

Materialized view showing red cross in front of it in SQL developer

we created a materialized view in oracle database,it works fine, and other views that select on it return results and work fine too. But it has a red cross in front of it in oracle developer.
I then refresh the view, or recreate the view, it shows green, but after a while when I come back, the red cross show up again.
What does it mean, any error message we can find?
Thanks

878566 wrote:
we created a materialized view in oracle database,it works fine, and other views that select on it return results and work fine too. But it has a red cross in front of it in oracle developer.
I then refresh the view, or recreate the view, it shows green, but after a while when I come back, the red cross show up again.
What does it mean, any error message we can find?
It means your system is working NORMALLY! There is no 'error message' to find because there is no error. What you describe is EXACTLY how MVs are designed to work.
It is NORMAL for MVs to be, and to become, invalid, especially if there refresh setting is ON DEMAND. Don't confuse 'validity' with 'staleness'; they are very different things.
See the section 'Invalidating Materialized Views' in the Data Warehousing Guide'
http://docs.oracle.com/cd/B28359_01/server.111/b28313/advmv.htm#i1007082
Invalidating Materialized Views
Dependencies related to materialized views are automatically maintained to ensure correct operation. When a materialized view is created, the materialized view depends on the detail tables referenced in its definition. Any DML operation, such as an INSERT, or DELETE, UPDATE, or DDL operation on any dependency in the materialized view will cause it to become invalid. To revalidate a materialized view, use the ALTER MATERIALIZED VIEW COMPILE statement.
A materialized view is automatically revalidated when it is referenced. In many cases, the materialized view will be successfully and transparently revalidated. However, if a column has been dropped in a table referenced by a materialized view or the owner of the materialized view did not have one of the query rewrite privileges and that privilege has now been granted to the owner, you should use the following statement to revalidate the materialized view:
ALTER MATERIALIZED VIEW mview_name COMPILE;
The state of a materialized view can be checked by querying the data dictionary views USER_MVIEWS or ALL_MVIEWS. The column STALENESS will show one of the values FRESH, STALE, UNUSABLE, UNKNOWN, UNDEFINED, or NEEDS_COMPILE to indicate whether the materialized view can be used. The state is maintained automatically. However, if the staleness of a materialized view is marked as NEEDS_COMPILE, you could issue an ALTER MATERIALIZED VIEW ... COMPILE statement to validate the materialized view and get the correct staleness state. If the state of a materialized view is UNUSABLE, you must perform a complete refresh to bring the materialized view back to the FRESH state. If the materialized view is based on a prebuilt table that you never refresh, you will need to drop and re-create the materialized view.
As the doc states Oracle will normally 'revalidate' an MV when it is referenced. You can do this manually by using 'ALTER . . . COMPILE'. For an ON DEMAND MV compiling it will NOT alter the contents of the MV - it may stil be STALE.
You don't need to REFRESH or recreate the MV to make it valid; just recompile it. If it doesn't become VALID after you compile it then there is usually an issue with one of the dependent objects that you need to resolve.

KE30 report for a Configerable material.

Hi all!
Our client uses KE30 report regularly. But for a particular material the report is not giving the kind of output that is required.
The follwing is the sales process.
The material whcih is configuable ( with Item category group 002 and Item category TAC ) has components with customised Item category (ZZAE which is not relevent for billing). So the main material is flowing into the invoice and the components are not flowing into the invoice and the KE30 report.
Inorder to flow the components into the KE30 report we tried making changes in the components Item category ( ZZAE- making it "billing relevent). But the invoice gets disturbed. Can some one help ?
regards,
vijay v

Hi
We have recently had the same kind of requests from areas of the business. I found the easiest way was to use SE16N with table MSEG (Material document item level). With the required selections I was able to export over 600,000 lines of data. I then added other tables if required (MAKT - Material description, etc)
You will not be able to export as a spreadsheet so instead export to Local File / unconverted as a text file. Then you will be able to open it in Excel (if you have the latest version of Office)
It really depends on what material movement data you actually need. As I mentioned we found 99% of the data we needed for a report in one data table
Hope this helps
Darren

How can i get the open sale orders for given material no and plant

Hi,
I have to retrieve the open sale orders depending on the material number and plant.
For only open sale orders at header level and item level.
I want to use VBUK-GBSTK to find open sale order at header level and
                      VBUP-GBSTA at item level.
Can any one suggest me the best logic as performance is concerned?
Thanks,
Kumar.

hi Prasanth,
select werks matnr from ZVSCHDRUN into table it_plant.
sort it_plant by matnr werks.
select
        vbeln
        posnr
        matnr
        werks
        erdat
        kbmeng
        vrkme
        from vbap
        into table it_vbap
        for all entries in it_plant
        where matnr = it_plant-matnr and
              werks = it_plant-werks.
and again i have to write one more select query for vbup.
am i right?

High frequency measurement 2 counters range

Hello,
I know this info is somewhere but I can't find it.
When using a Counter/timer to measure frequency there are multiple methods.
i.e. Low Frequency with 1 counter and high frequency with 2 counters.
What is the definition of a "low frequency" and what is the definition of a "high frequency"? i.e. low frequency = frequencies below 100 Hz
Also what is the definition of a "large range"?
Thanks
Dan

Hi Dan
There isn't a specific bandwidth that is defined for use with either the one-counter or two-counter method. However, located in the NI-DAQmx help file there is a section detailing the quantization errors that arise when using either method with a variety of input frequencies. By referring to this information you should be able to determine which method will produce the smallest error in your application and hence which method will be preferable. This help file also explains the errors associated with the large-range two-counter method.
To locate the help file, you should select Start»All Programs»National Instruments»NI-DAQ»NI-DAQmx Help, and search for 'quantization error'.
I hope this helps, just let me know if you'd like anything clarified or if you have any other questions on the matter.
Regards
Jeremy T
Technical Marketing Engineer
National Instruments UK & Ireland

Regarding material wise purchase order creation with reference to pr

Dear sir
I have a scenario depending on the material wise pos creation
I have two type of material
1) raw material
2) consumables
When user will create purchase order for raw material, system should ask purchase requisition. ( i.e with out purchase requisition for raw material , system should not allow to create the purchase order)
Where as for all consumables materials system should allow to create the purchase order
Without purchase requisition also, for user.
Regards
Jrp.

You have to create two different document type for purchase order.
1) Raw Material Purchase
2) Consumables Purchase
You can create two different document type for purchase order with below mention path: -
SPRO >> Materials Management >> Purchasing >> Purchase Order >> Define Document Types.
After define two different document type, You can change field status for two different document type with below mention path.
SPRO >> Materials Management >> Purchasing >> Purchase Order >> Define Screen Layout at Document Level.
Select document type and change field status of purchase requisition.
Regards,
Mahesh Wagh

How to keep the overall sales price same after basic material cost changes

We have a below requirement from clientu2026
Sales Order with quantity 100 created. Letu2019s say the Basic material cost is $10 each and after the pricing procedure of SD (i.e taking condition types etc in account) overall sales order price came to $1200 .
After sales order creation material cost has changed to $12 each. Now if the same sales order line item is split to 80 and 20, we still want the overall sales order price ( i.e taking both the line items of 80 and 20) to be $1200 .
Is it possible to achieve the above requirement? If yes, pls share the possible solution.

1) Letu2019s say the Basic material cost is $10 each
2) overall sales order price came to $1200 .
3) we still want the overall sales order price ( i.e taking both the
line items of 80 and 20) to be $1200 .
I think you are confused over material cost and selling price. From SD perspective, whatever you maintain in VK11 for your pricing condition type (PR00), that will fetch into your sale order. This means, I presume, you have maintained in VK11 for the given material as USD 1200 and this will only fetch into your sale order. Cost will vary automatically depending upon the material valuation type and you need not bother about this
thanks
G. Lakshmipathi

Material Master-Valuation class

Dear Friends,
Depends upon the material type valuation class value is fetched by the system......Can any1 explain how this happens?......where it is assigned?.....whrs the link?.......Thanks in advance......

Hi saravana
Following the configuration path:
IMG>Materials Management>Valuation and Account Assignment-->Split Valuation without wizard
Here we will be assigning the valuation grp to the plant and give the G/L account also
Check the t.codes .OMWD, ,OMWB where assignment is done. Because of this only the valuation class will come in our MMR ->accounting tab 1
Regards
Srinath

How do i get the material type after submitting a create material request?

Hi All,
I have to select an agent depending on the material type of the material being created? I'm not using the rule based workflow for material creation in MDG 7.0, I'm using WS46000057. How do I get the material type being used in the workflow so that I can create a rule and select an agent accordingly from a custom table.
Any kind of help would be sincerely appreciated.
Regards,
Tushar..

Why not use the rule-based workflow template?
Where do you want the material type? This is a standard workflow template and I'm not sure you can enhance it.
In any case, in order to read CR details, you need to use the MDG API classes. These are described in this document: Master Data Governance Application Programming Interface Guide. Keep in mind that different API classes were developed for different releases so make sure to pick the class right for your release.

Frequency dependent reactance in material definitions

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