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Fatigue Analysis

Fatigue Analysis is a big part of what our consultants do at our Singapore offices in BroadTech Engineering.
As Engineering Firms and FEA Modeling Services Enterprises seek to Advance profitability and competitiveness, Expenditure in product development Action can yield Off big returns. Allowing Design and Finite Element Consulting teams to make the best Excellent design Choices puts them in an ideal position to bring Inventive, high-quality, profitable products to market.
 
Fatigue Analysis
 
 
As a rule of thumb Guideline, today’s Mechanical design engineers and FEA Structural Engineering Consultants can Easily handle roughly 80 percent of the Needed FEA Pipe Stress Analysis Simulation analyses, leaving the remaining 20 % to the Specialized CAE engineering specialist for more Complex investigation Studies.
For post-process analysis, users in FEA Consulting Companies can take Total advantage of Solid Edge Synchronous Software Engine to make any necessary order-free design refinements (not possible in typical history-based CAD systems) quickly and easily.
 

Shared memory parallel processing of FEA Fatigue Analysis Solving

Taking Full Benefit of multiple parallel CPU Cores can Drastically Lower FEA Modeling Software solution runtimes compared to traditional serial FEA Finite Element Analysis Software solu­tion sequence that uses one Single CPU processor.
Shared memory parallel processing (SMP) uses multi-thread­ing and can be used to compute Computationally intensive operations, such as matrix factorization, forward-backward substitution, and matrix Multiplication. Since every solution sequence involves matrix multiplications or matrix factorization, SMP can be activated in all solution sequences as long as the hardware supports it.
 

 

FEA Fatigue Analysis Software Module Advantages 

  1. Femap FEA Software Allows the Analysis of large problems in complex and realistic scenarios
  2. Perfectly simulate the global dynamics of the rotor and stator assembly
  3. Enables Finite Element Analyst to Achieve Precise simulations by taking nonlinear effects into account in connection elements
  4. Reduce the Undesired vibration level and Minimize harmful resonances by predicting them
  5. Improve product Engineering performance and reduce Expensive physical prototypes
 
 

Computational analysis of Nitinol stent-graft for endovascular aortic repair (EVAR): 

 Processes modeled include crimping, sealing, and fluid-structure interaction (FSI)
We’ll like to share three simulations that Our FEA Consultant have done with three FE software before: 
  1. Structural Optimization of Connecting Nodes with Complex Geometry installed in spaceframes:

    In this simulation, a Livelink was created between three software, namely Solidworks-MATLAB-COMSOL in order to find the optimum configuration of the nodes. The initial configuration was sketched at Solidworks and simulated at COMSOL, then a Livelink was created between the optimization tool box of MATLAB and this two software.  
     
  2. Modeling of Piezoelectric-Driven Mechanism by Ansys Workbench: 

    In this simulation, firstly Our FEA Consultant collected the experimental data from the experiment, then Our FEA Consultant associated the nonlinearity in the piezoelectric actuator with the aluminum structure of the piezoelectric-driven mechanism for both responses prediction and micro-positioning control purposes.
     
  3. Design of Composite Wooden Lamp Post with Abaqus FEA Analysis:

    In this simulation, Our FEA Consultant characterized the wood properties in different directions by doing tensile and flexural and shear testing, then Our FEA Consultant used the data to obtain the multi-ply wooden lamp post by doing analysis at Abaqus.
 

 

Featured Fatigue Analysis Case Studies

Fatigue Analysis

Oil Tank Mounting System for A320 Neo Block 2 Design

Objective: Perform design validation of Oil Tank Mounting system for A320Neo Block 2 design.
Methodology/Approach: FEM Model with Oil tank and Mounts is built in Ansys 12.1 with 3D Tetra elements Solid 95. Nonlinear material properties are used for respective components. Large displacement and Nonlinear geometry options are activated.Oil mass inside oil tank is simulated by adjusting the density of material property. Accessories are connected by using RBE3 elements.Mounts are fully constrained at each bolt hole related to engine fan case. Spherical joints are simulated by using spring elements in 6 directions. This assembly has been analyzed for the below load cases.
1. Proof Pressure – 18 psig
2. Burst Pressure – 30 psig
3. Design pressure – 40 psig
4. LCF
5. HCF
6. FBO
7. Modal Analysis
Conclusion: The oil tank assembly has been analyzed for all the load cases and observed that Assembly had a safety factor of 1.2 to UTS for Design pressure case, SF to Total strain is 2.4, Cumulative life calculate for LCF @ 100 cycles, LCF @ 50000 cycles is 0.009 which is less than 1.

Structural Redesign of Mount

Objective: Requirement is all the mounts should have natural frequencies over 70 Hz. It is observed that bottom mount has a natural frequency of 73 Hz. Hence a redesign has been performed on the mount.
Methodology:
The first mode is observed at 73 Hz in the mount, Hence the change in structure design by adding stiffeners to the bracket has been proposed by considering without a change in overall mass also without a change in interfaces.
FEM Model with Mounts is built in Ansys 12.1 with 3D Hexa elements Solid 45. Modal analysis has been performed and normalized stress and displacements for each mode considered and alternating stress are calculated using mode shape scaling technique. Average stress is calculated from static analysis through which Goodman-Smith diagram is plotted.
Conclusion:
The first mode has been raised up to 81 Hz with a new design. Which resulted in an increase of reserve factor by reducing max stress from 26.7 to 23 MPa.

 

Overview

About Us

BroadTech Engineering is a Leading Engineering Simulation and Numerical Modelling Consultancy in Singapore.
We Help Our Clients Gain Valuable Insights to Optimize and Improve Product Performance, Reliability, and Efficiency.

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Contact Us!

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1. Powerful Simulation Software Tools

1. Powerful Simulation Software Tools

2. Simulation Consultants with Extensive Research & Professional Experience

2. Simulation Consultants with Extensive Research & Professional Experience

3. Simulation projects Completed in a Timely and Cost-effective Manner

3. Simulation projects Completed in a Timely and Cost-effective Manner

4. Proven Track Record

4. Proven Track Record

5. Affordable

5. Affordable

6. Full Knowledge Transfer

6. Full Knowledge Transfer


 

Featured FEA Fatigue Analysis Case Studies

 

Pipeline Failure Fatigue Analysis

the FEA consultancy project we did for Repsol is about the pipeline failure analysis. 
We investigate multi-phase flow (oil, gas, and water) patterns in oil pipelines with thermal effect and analyze the cause of leakage at some locations for the crude oil pipelines using ANSYS Fluent. The client is very satisfied with the consultancy work and later awarded another one for us.  The  CFD can predict the pipeline failure location accurately and help the client to do the inspection efficiently.
 

Thermo-Fatigue analysis of Turbine Exhaust Casing

Description: Structural analysis and fatigue life calculation of turbine exhaust casing of PW1000G engine for BA/MRJ aircraft. The temperatures were mapped and thermo-structural analysis was carried out. 
The stresses developed are then used to calculate the fatigue life based on the strain life approach using in house Pratt & Whitney tool. The analysis reports were then sent for CDR to Pratt and Whitney and were ratified by FAA America.
Tools Used: ANSYS APDL
 

Design optimization for fatigue life requirement of Turbine Exhaust casing

Description: The design optimization was carried out for the turbine exhaust casing of the GP7000 engine option used for Airbus 380 aircraft. The rake boss of the casing was changed by increasing the thickness and by providing a new profile to the same. The design iterations were then analyzed using Ansys APDL scripts and the fatigue life calculations of the TEC carried out. The design optimization helped us in achieving the critical life requirement of 3000 cycles was achieved.
Tools Used: ANSYS APDL.

 

Call Us for a Free Consultation

Discover what FEM Fatigue Analysis can do for your company now by calling us (to schedule a free demo). Simply call to contact us today at +6581822236 for a no-obligation discussion of your needs. if you have any queries, our knowledgeable and friendly representative will be happy to answer any of your questions and share with you in detail the benefits & features of preemptive fatigue analysis. Alternatively, for quote request, simply email us your technical specifications & requirements to info@broadtechengineering.com

 

Featured FEA Fatigue Analysis Case Studies

 

Pipeline Failure Fatigue Analysis

the FEA consultancy project we did for Repsol is about the pipeline failure analysis. 
We investigate multi-phase flow (oil, gas, and water) patterns in oil pipelines with thermal effect and analyze the cause of leakage at some locations for the crude oil pipelines using ANSYS Fluent. The client is very satisfied with the consultancy work and later awarded another one for us.  The  CFD can predict the pipeline failure location accurately and help the client to do the inspection efficiently.
 

Thermo-Fatigue analysis of Turbine Exhaust Casing

Description: Structural analysis and fatigue life calculation of turbine exhaust casing of PW1000G engine for BA/MRJ aircraft. The temperatures were mapped and thermo-structural analysis was carried out. 
The stresses developed are then used to calculate the fatigue life based on the strain life approach using in house Pratt & Whitney tool. The analysis reports were then sent for CDR to Pratt and Whitney and were ratified by FAA America.
Tools Used: ANSYS APDL
 

Design optimization for fatigue life requirement of Turbine Exhaust casing

Description: The design optimization was carried out for the turbine exhaust casing of the GP7000 engine option used for Airbus 380 aircraft. The rake boss of the casing was changed by increasing the thickness and by providing a new profile to the same. The design iterations were then analyzed using Ansys APDL scripts and the fatigue life calculations of the TEC carried out. The design optimization helped us in achieving the critical life requirement of 3000 cycles was achieved.
Tools Used: ANSYS APDL.