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Hi All, I have SOLID45 element with two material properties 1 and 2. I build my structural model and mesh it with appropriate materials. Whenn I use a ETCHG,STT command then all the material in the SOLID70 model changes to material 2. What is the correct way of doing this? Regards

Hi All, Whenever I try to do a transient analysis on Plane55 element using following code , I see a popup during the iteration on which "Nonlinear Solution" is written. I am assuming my system to be linear, can someone advise me why this "nonlinear Solution" is being shown and is there some way...

Hi, Can some one tell how can I capture the run-time of an analysis. Regards

Hi All, Can anyone tell when file.rth gets populated during transient thermal analysis as I am need to pick up temperature distribution in the body at the end of transient analysis using ldread command. Thanks and Regards

Hi, I am performing a coupled analysis, in which I am trying to analyze effect of temperature on the modal frequencies of the structure. For this the logic I am thinking of is to do a transient thermal analysis with controlled time step and then move to modal analysis after every time step...

I am trying a small program to read some data into an array....but I am always gettin an error message can someone help me out with the instruction set.. *DIM,arr1,,2,3 *VRead,arr1(1,1),/nasfea/ANSYS_doc/dataval,prn,,JIK,3,2 (3F6.1) *CFCLOS the following data is stored in a file dataval.prn...

Hi All, I am trying to induce temperature dependent isotropic modulus of elasticity in Modal analysis of a structure. For this I followed the following steps. I defined a SOLID45 structural element and added a temperature DOF, specified the material property using MP command in which modulust...

hi, I will appreciate if someone can give me a primer for harmonic thermal analysis. Regards Harsh

Hi, I am trying to do a thermal analysis. There is a constant heat source which is a result of radiation energy absorbed from sun's radiation: Q_sun = (absorption coefficient) * Q_incident Then there is a wind flowing on the surface which is the convection boundary condition. How do I...

Hi, I am trying to do a thermo-mechanical coupled analysis, in the mechanical part I wish to do a modal analysis. I have defined the thermal and mechanical parameters and compatible element. First I apply thermal boundary condition and solve for temperature distribution and the write the...

Hi Everyone, I am trying to do radiation heating analysis on a slab. I have tried many things but I am getting following erro while writing down Radiation Matrix. "Error: No element for form factor matrix" I also pasting the code that I am executing... /PREP7 /TITLE, /UNITS,SI...