The Sun  model calculates analytical solution for surface deformation due to hydrostatic pressure inside a horizontal circular fracture (“penny-shaped”) in an elastic, homogeneous half-space. This can be used typically to simulate magma overpressure in a sill below a volcano.
The proposed Matlab script is a literal transcription of the Sun's paper equations. The equations are also vectorized for all input parameters.
See help for syntax, example, and script comments for details.
François Beauducel (2021). Sun69: Penny-shaped crack in elastic half-space (https://www.mathworks.com/matlabcentral/fileexchange/26274-sun69-penny-shaped-crack-in-elastic-half-space), MATLAB Central File Exchange. Retrieved .
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