begin thorn SimpleWaveScriptCaKernel use cakernel begin variables phi pi end variables begin calculation initial_sine_calc scheduled at initial phi = sin(2*PI*(x-t)) pi = -2*pi*cos(2*PI*(x-t)) end calculation begin calculation calc_rhs scheduled at mol_calcrhs D_t phi = pi D_t pi = Euc^ij*D_ij phi end calculation end thorn