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Accurate gradient approximation for complex interface problems in 3D by an improved coupling interface method

Numerical AnalysisFinite Element MethodMethod Of Fundamental SolutionNumerical ComputationEngineeringNumerical Method For Partial Differential EquationNumerical SimulationComputer-aided DesignComputational ElectromagneticsAccurate Gradient ApproximationComputational MechanicsApproximation TheoryBoundary Element MethodComplex Interface Problems