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Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques
Published on: October 20, 2023
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Application of Dynamic Analysis in Semi-Analytical Finite Element Method.
Pengfei Liu1, Qinyan Xing2, Dawei Wang3,4
1Institute of Highway Engineering, RWTH Aachen University, Mies-van-der-Rohe-Street 1, D52074 Aachen, Germany. liu@isac.rwth-aachen.de.
Materials (Basel, Switzerland)
|September 5, 2017
Summary
A new computational program, SAFEM, accurately predicts asphalt pavement dynamic responses under moving loads. This tool is faster and reliable for road maintenance and rehabilitation assessments.
Area of Science:
- Civil Engineering
- Computational Mechanics
- Pavement Engineering
Background:
- Dynamic response analysis is crucial for asphalt pavement design, maintenance, and rehabilitation.
- Existing methods may lack efficiency or accuracy in evaluating pavement behavior under moving loads.
Purpose of the Study:
- To introduce and validate the SAFEM (Semi-Analytical Finite Element method) program for dynamic response analysis of asphalt pavements.
- To demonstrate SAFEM's accuracy and efficiency compared to commercial software and experimental data.
Main Methods:
- Developed SAFEM based on a semi-analytical finite element method, incorporating Fourier series for 3D analysis with 2D discretization.
- Modeled asphalt pavements under moving loads in SAFEM and ABAQUS for comparative analysis.
- Conducted experimental verification to compare SAFEM predictions with real-world measurements.
Main Results:
- SAFEM demonstrated high computational accuracy, comparable to commercial finite element software.
- SAFEM significantly reduced computational time compared to ABAQUS.
- Experimental results showed excellent agreement with SAFEM predictions.
Conclusions:
- SAFEM is a feasible and reliable tool for predicting the dynamic response of asphalt pavement under moving loads.
- The program offers benefits for road administration in assessing pavement condition and informing maintenance strategies.
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