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An Efficient Approach for Solving Mesh Optimization Problems Using Newton’s Method

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  • Jibum Kim

Abstract

We present an efficient approach for solving various mesh optimization problems. Our approach is based on Newton’s method, which uses both first-order (gradient) and second-order (Hessian) derivatives of the nonlinear objective function. The volume and surface mesh optimization algorithms are developed such that mesh validity and surface constraints are satisfied. We also propose several Hessian modification methods when the Hessian matrix is not positive definite. We demonstrate our approach by comparing our method with nonlinear conjugate gradient and steepest descent methods in terms of both efficiency and mesh quality.

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  • Jibum Kim, 2014. "An Efficient Approach for Solving Mesh Optimization Problems Using Newton’s Method," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-9, October.
    • Handle: RePEc:hin:jnlmpe:273732
    DOI: 10.1155/2014/273732
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