University of Alberta ANSYS Tutorials - www.mece.ualberta.ca/tutorials/ansys/CL/CAT/Coupled/Print.html

Combined Structural/Thermal Research

Introduction

This kind of tutorial was completed using ANSYS several. 0 The objective of this training is to describe a simple combined thermal/structural evaluation. A metal link, without having internal stresses, is pinned between two solid structures at a reference temperature of zero C (273 K). One of the solid set ups is warmed to a temperatures of 75 C (348 K). Since heat can be transferred from your solid framework into the hyperlink, the link will attemp to expand. Nevertheless , since it is usually pinned this cannot arise and as such, pressure is created inside the link. A steady-state remedy of the ensuing stress will be found to simplify the analysis. Lots will not be placed on the link, only a heat change of 75 deg Celsius. The link is stainlesss steel with a modulus of firmness of 2 hundred GPa, a thermal conductivity of 70. 5 W/m*K and a thermal enlargement coefficient of 12e-6 /K.

Preprocessing: Identifying the Problem

In accordance to Chapter 2 of the ANSYS Coupled-Field Guide, " A sequentially coupled physics analysis is definitely the combination of analyses from distinct engineering exercises which interact to solve a global engineering difficulty. For convenience,... the alternatives and types of procedures associated with a certain engineering self-discipline [will be reported as] a physics analysis. When the input of 1 physics evaluation depends on the results from another analysis, the examines are paired. " Hence, each diverse physics environment must be created seperately so they can be used to determine the coupled physics solution. Nevertheless , it is important to note that a solitary set of nodes will are present for the entire model. By creating the geometry inside the first physical environment, and using it with any pursuing coupled surroundings, the geometry is kept constant. Pertaining to our circumstance, we will make the geometry in the Thermal Environment, in which the thermal results will be utilized....

Tags:

School Article

Printing and Click Page Layout Article