Comparison of finite difference and finite element methods for simulating two-dimensional scattering of elastic waves

Physics of the Earth and Planetary Interiors

Volumn 171, Issue 1-4, 2008, Pages 112-121

  Frehner, Marcel ^a   Schmalholz, Stefan M ^a   Saenger, Erik H ^a,b   Steeb, Holger ^c  

^a GEOLOGICAL INSTITUTE   (Switzerland)

^b Spectraseis AG   (Switzerland)

^c UNIVERSITY OF TWENTE   (Netherlands)

Author keywords

Analytical solution; Finite difference method; Finite element method; Numerical methods; Scattering; Wave propagation

Indexed keywords

ALGORITHMS; DIFFERENCE EQUATIONS; ELASTIC WAVES; ELASTICITY; FINITE DIFFERENCE METHOD; LARGE SCALE SYSTEMS; MESH GENERATION; NUMERICAL METHODS; OPTIMAL CONTROL SYSTEMS; SCATTERING; TWO DIMENSIONAL; WAVE EQUATIONS; WAVE PROPAGATION; WAVES;

ANALYTICAL SOLUTION; ANALYTICAL SOLUTIONS; CIRCULAR INCLUSIONS; CIRCULAR SHAPES; COMPUTATION TIMES; COMPUTATIONAL ADVANTAGES; DISPLACEMENT FIELDS; ELASTIC WAVE PROPAGATIONS; ELASTODYNAMIC WAVE EQUATIONS; EXPLICIT FINITE DIFFERENCE METHODS; EXPLICIT SCHEMES; FINITE DIFFERENCES; FINITE ELEMENT TECHNIQUES; FINITE ELEMENTS; IMPLICIT TIME INTEGRATIONS; NUMERICAL ALGORITHMS; RECTANGULAR GRIDS; REFERENCE SOLUTIONS; SCATTERING PROBLEMS; SPACE USING; SPATIAL DISCRETIZATION; UNSTRUCTURED MESHES; VERY HIGH SPATIAL RESOLUTIONS; WAVE PROPAGATION SIMULATIONS;

FINITE ELEMENT METHOD;

ALGORITHM; COMPARATIVE STUDY; ELASTIC WAVE; FINITE DIFFERENCE METHOD; FINITE ELEMENT METHOD; NUMERICAL MODEL; P-WAVE; WAVE PROPAGATION; WAVE SCATTERING; WAVELENGTH;

EID: 55749109409     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2008.07.003     Document Type: Article

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