Simulysis Blog

Simulation of Residual Stress Analysis in Casting

Introduction: Residual stresses are tensions or compressions that exist in the bulk of a material without applying an external load. In a casting process, while cooling, residual stresses are induced due to temperature gradients across the whole casting, mechanical constraints given by the mold during the shrinkage of the metal and volumetric change and transformation plasticity related to the sol...

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CFD ANALYSIS OF A FLOW STRAIGHTENER FOR A HEATER CHIMNEY

Engineering challenge: For control of pollutants and particulate flow into the atmosphere require continuous monitoring of gases in discharge chimneys. Among other requirements, the gas velocity must be measured in a plane at a specified distance from the discharge outlet. The flow in this plane must be as uniform as possible and the stream lines must be vertical, or inclined by no more than a few...

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HEAT TRANSFER IN COOLING CHANNELS

Engineering challenge: Heat generating devices, such as high power electronic equipments and heat exchangers are widely applicable in engineering fields such as the automobile industry, power system, heating and air conditioning, chemical engineering, electronic chip cooling, and in the aerospace and nuclear energy sectors. Heat generation can cause overheating problems and thermal stresses and m...

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