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software of interest to mechanicians

How to analyze a "RepRap" design (static and vibrational)?

Submitted by mikew67 on

Folks,

I'm embarking on a project to build a modified copy of a DIY 3D printer.  See http://reprap.org/wiki/WebHome to get a rough idea.  In my case, I have my own lathe and milling machine, so I can fabricate more substantial components, e.g., by machining aluminum.  I also have larger stepper motors, some 3/8" precision rod and linear bearings that I can use. 

which software for impact/destructive simulation?

Submitted by phsieh2005 on
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Hi,

I am evaluating a couple of software packages for impact and destructive testing simulation.

What are the strength and weakness of the following packages in terms of explicit solver capability for impact/destructive?

NX Nastran non-linear (with explicit solver)

NEi Nastran explicit

ANSYS explicit solver (new in ANSYS 12)

 

Thanks!

 

phsieh2005

anyone using mupad & matlab

Submitted by 雪魄梅魂 on

Hi all!

 
I'm using Matlab and mupad  in my research .I have managed to plot a few curves using mupad, a powerful symbol computation soft. Since it is theory solution, I want to add the experimental curves to compare the goodness.But i don't how to make the two softwares work cooperated. 

Any suggestions will be appreciate.

(Forgive my poor English^_^) 

haiwei zhang

fdzhw [at] yahoo.com.cn

OpenTURNS: Open source initiative to Treat Uncertainties, Risks’N Statistics

Submitted by Laurent Champaney on

For those who work in the field of uncertain mechanics, please have a look at OpenTURNS. Wrappers to link your favorite code are easy to built.

OpenTURNS

What is OpenTURNS ?

OpenTURNS is an Open source initiative to Treat Uncertainties, Risks’NStatistics in a structured industrial approach.

Webinar on AxSTREAM 3.0: Design of Multispool Axial Compressor. From Specification to 3D Blade Design

Submitted by Helen_SoftInWay on

On May 27, 2010, at 10 a.m. and 4 p.m. EST SoftInWay will hold free webinar "AxSTREAM 3.0: Design of Multispool Axial Compressor. From Specification to 3D Blade Design".



In the course of the 1-hour online presentation, the SoftInWay team will showcase the new features of AxSTREAM 3.0 for multispool compressors, namely:



1.  Ability to assess multiple criteria to choose the optimal flow path design.

2.  Flow path geometry adjustment according to designer's goals (using manual and S1 adjustment and spline).

Geometry&FEM connection in Mechanical APDL (ANSYS)

Submitted by mehmetsari on
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Hello everbody,



I'm mechanical engineer and working as FEA Engineer in GATES. I have
been using ANSYS for 5 years and I want to ask a question about new
version of ANSYS.



I use ANSYS Mechanical 12.1. I connect "geometry" and "setup" to
Mechanical APDL box in "project schematic". Then when I open Mec. APDL, I
can see the cad model (areas, lines, volumes) and FEM (nodes, elements)
but they aren't connected to each other. is there any way to connect
solid model to finite element model?





Best Regards.