Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: zhddz
  • Content: Threads
  • Order by date
  1. zhddz

    Where to find help on SAP2000 v21 OAPI ?

    I am using MATLAB to access SAP2000 v21. I found that the CSI_OAPI_Documentation.chm come with the program doesn't provide enough information. And I think they are not up to date. Where can I find more information?
  2. zhddz

    For API in MATLAB, how to migrate from SAP2000 v14 to v21

    I updated my SAP2000 from v14 to v21, and found that my old MATLAB API code doesn't work any more. I'am trying to update my code, and got stucked. My original code is like this: ret = SapModel.PropLink.SetDamper("D1", MyDOF, MyFixed, MyNonLinear, MyKe, MyCe, MyK, MyC, MyCexp, 1, 0); The...
  3. zhddz

    Someone know the name of this kind of structures?

    I am writing an essay, and I need to know the name of this kind of structures. It’s a structure to reinforce a bridge for heavy cargo transportation, so that the bridge can carry loads that it couldn’t carry originally. After the heavy cargo passing the bridge, in some circumstances, the...
  4. zhddz

    How to define a constant 5% damping coefficient?

    I want to do a Nonlinear Time History Analysis to a building. Because I have non-zero initial conditions, I have to use the Direct Integration method. The problem is that for direct integration method, I do not know how to set a constant damping coefficient of 0.05. In the following form...
  5. zhddz

    How to plot Vertical Displacement vs. Percent of Load Diagram?

    In SAP2000, how do I get a graph like following? I do not mind to plot this graph point by point in a spreadsheet, but I do not know how to get the percent of the full load data. Thanks.
  6. zhddz

    A very basic question: What is acceleration load?

    When I define a load case in SAP2000, there are two types of load. One is "load pattern", and the other one is "acceleration”. If I define acceleration in "UZ" direction, with scale factor of 1, what does it mean? The scale factor is the factor of what? Factor of the gravity? I defined an...
  7. zhddz

    Modeling plastic behavior of Steel, force doesn't increase.

    I would like to analyze stress strain behavior of a steel beam using Static Riks. The Load proportional factor stop increasing shortly after reaching the yield strength. How to I solve the problem? Following is the status file, STEP INC ATT SEVERE EQUIL TOTAL TOTAL STEP INC OF...

Part and Inventory Search

Back
Top