2014
DOI: 10.1002/num.21935
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An efficient meshfree point collocation moving least squares method to solve the interface problems with nonhomogeneous jump conditions

Abstract: We are going to study a simple and effective method for the numerical solution of the closed interface boundary value problem with both discontinuities in the solution and its derivatives. It uses a strong-form meshfree method based on the moving least squares (MLS) approximation. In this method, for the solution of elliptic equation, the second-order derivatives of the shape functions are needed in constructing the global stiffness matrix. It is well-known that the calculation of full derivatives of the MLS a… Show more

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Cited by 32 publications
(13 citation statements)
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References 58 publications
(77 reference statements)
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“…This method has been applied successfully to approximate solutions of time‐independent [13, 14] and also time‐dependent PDEs [9]. The method is also applied to the numerical solution of mathematical models arising from engineering [15, 16] and also valuation of American options under the Black–Sholes model [17, 18].…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…This method has been applied successfully to approximate solutions of time‐independent [13, 14] and also time‐dependent PDEs [9]. The method is also applied to the numerical solution of mathematical models arising from engineering [15, 16] and also valuation of American options under the Black–Sholes model [17, 18].…”
Section: Introductionmentioning
confidence: 99%
“…16) which by compactness of the computational domain Ω and Ω ⊂ Ω leads to||u − Qu|| L ∞ ( Ω) ≤ ||u − Qu|| L ∞ (Ω) . (3.17)So, according to Theorem 2.3 and Equation (3.15) we arrive at…”
mentioning
confidence: 99%
“…For singular problems, the visibility criterion, introduced as part of the element free Galerkin (EFG) method, 14 has been proven effective for both meshless methods [14][15][16] and collocation methods. 2,[17][18][19] The concept of the visibility criterion is presented in Figure 1(A). Considering a domain Ω, only the support nodes X p which are "visible" from the collocation nodes X c are considered in the stencil.…”
Section: Introductionmentioning
confidence: 99%
“…For singular problems, the visibility criterion, introduced as part of the element free Galerkin (EFG) method, 14 has been proven effective for both meshless methods 14‐16 and collocation methods 2,17‐19 . The concept of the visibility criterion is presented in Figure 1(A).…”
Section: Introductionmentioning
confidence: 99%
“…In , Taleei and Dehghan combined the direct meshless local Petrov–Galerkin (MLPG) method with the visibility criterion technique for solving interface problems. Also, in , they used the visibility criterion method to modify the support of weight functions in moving least squares (MLS) approximation for solving interface problems with meshfree point collocation MLS method.…”
Section: Introductionmentioning
confidence: 99%