Skip to main content

ansys

How to extract angle of twist and shear stress due to torque in Workbench

Submitted by Echeban on

I set up this model of a shaft with to opposing torque simulating a shaft and pulley system. 

The supports and loads are shown here: Ex-3-9-LoadsAndSupports.png

Note that the origin (top left) has the rotation X constrained to eliminate rigid body motion and to set a reference of zero twist at that point. 

I requested every result that I can imagine, see the Outline here: Ex-3-9-Outline2.png

The torque is shown here: Ex-3-9-TorsionalMoment.png

ANSYS terminology... confusing

Submitted by Echeban on

Why ANSYS calls the well known "element coordinate system" with their own term, "solution" coordinate system? 

Why ANSYS calls  the well know method of applying a "bias" for mesh refinement with their own term, "inflation"? -- I looked it up. INFLATION: to cause to expand or distend with air or gas.

Why ANSYS calls  the well know method of "partitioning" a solid model with their own term, "slice"? OK, may be "slice" is descriptive, but "inflation"? and "solution cs"?   

 

Are shear-moment diagrams wrong in ANSYS Workbench 16.1 ?

Submitted by Echeban on

I think I found an ERROR in ANSYS Workbench 16.1 and I hope someone can either CONFIRM or show me what I did wrong. 

This is very important because I am teaching this material, but I do not have support from ANSYS, so I am asking for your help. 

beam_static_structural.jpg : shows a cantilever beam 8 in long under line load -50 lb/in, E=29 msi, cross section 0.75 in wide by 1.5 in tall.

beam_triads.jpg: element triads clearly show cross section coordinates are aligned with global x-y-z coords

CTE: coefficient of thermal expansion - Secant Method - Ansys

Submitted by augustus on
Choose a channel featured in the header of iMechanica

Hello,

 

I have to perform a thermo-mechanical simulation in Ansys WB and I have to provide the cte of a material.

I have few experience with thermo-mechanical simulation.

I have got a document with the material properties of this material; there I have the Tg (glass transition temperature)

and two coefficients: cte1 (below Tg) and cte2 (above Tg).

 

-->  How should I calculate the CTE for a temperature range (e.g. -50 < Tg < 300) ?   <---

 

ANSYS cyclic variable amplitude displacement

Submitted by ndmehta235779 on
Choose a channel featured in the header of iMechanica
Free Tags

Hi everyone... I've been working on a research study of Steel moment resisting frames. It includes finite element analysis of the frame in ANSYS apdl software. However, I'm facing a problem with the application of loads. The basic loading history for a single specimen testing program in the multiple step test in which loading history consists of stepwise increasing deformation cycles as shown in the attached file. In the basic loading history, the cycles shall be symmetric in peak deformations.

I need to apply the aforesaid type of loading on a particular nodes.

ANSYS Bilayered diaphragms .A parylene layer (viscoelastic material) to protect the diaphragm of a sensor

Submitted by Rogelio Hernandez on
Free Tags

Dear Colleagues,
I am working in the design of one packaging for pressure sensor (piezoresistive), this packaging should be really cheap, I want to use a layer of parylene to cover the surface of the Silicon Pressure sensor, which include the diaphragm with the piezoresistive materials, I am using ANSYS to select the optimal thickness of the layer of parylene.