Life Assessment of Valve Component Subjected to Internal Pressure Loading

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Copyright Š 2015 Hi-Tech Outsourcing Services All Rights Reserved Source: http://www.hitechcae.com/case-studies/fea/pdf/analyzing-valve-component.pdf

http://www.hitechcae.com/case-studies/fea/analyzing-valve-component.php

Life Assessment of Valve Component Subjected to Internal Pressure Loading Case Study Highlights Client Profile: Process Equipment Manufacturer, India Objective: Analyzing valve component subjected to internal pressure for fatigue cyclic loading Challenges: Determining loading conditions to perform static =

Control valves in process industries are often subjected to cyclic pressure loadings causing premature failure, leading towards frequent replacement. As such, designing the valves require considering the effects of fatigue loading cycle to evaluate its lifecycle.

Process equipment manufacturer from India approached HiTech to seek assistance in evaluating the design of their newly developed valve component subjected to internal pressure loading cycles using simulation techniques.

structural analysis = Obtaining accurate S-N curve to estimate

fatigue lifecycle = Selecting suitable elements in meshing to

capture accurate deformation

The Solution The valve component was analyzed using finite element method to determine the structural strength against the

Solution:

internal pressure loading. In order to assess the fatigue

The finite element analysis to estimate fatigue lifecycle of the valve component was performed.

The results based on the S-N curve showed that the valve component design was found to be safe for 14000 pressure loading cycles.

lifecycle, the data from the S-N curve for the component material was utilized. The results showed that the mean stress value during 14000 pressure loading cycles was well within the acceptable range. Hence, the valve component design was predicted to behave safe during the expected lifecycle without premature failure.

Benefits = Considerably reduced prototyping trials to evaluate useful lifecycle of the component = Better insights on design modifications for alternate applications = Reduced manufacturing time

About Hi-Tech

Author: Gaurang Trivedi

Hi-Tech Outsourcing Services, one of the leading engineering services providers. It has an extensive expertise in Mechanical Design, CAD Modeling, CAE, FEA & CFD Analysis for automotive, process, building/architecture and heavy engineering industries. Based in India and USA, we render engineering services to clients across the globe with a team of qualified engineering professionals.

Source: http://www.hitechcae.com/case-studies/fea/pdf/analyzing-valve-component.pdf

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