Lines Matching refs:hydhx
170 PetscScalar v[5], hx, hy, hxdhy, hydhx; in FormMatrix() local
178 hydhx = hy / hx; in FormMatrix()
198 v[0] = 2.0 * (hydhx + hxdhy); in FormMatrix()
207 v[1] = -hydhx; in FormMatrix()
210 v[2] = 2.0 * (hydhx + hxdhy); in FormMatrix()
213 v[3] = -hydhx; in FormMatrix()
230 PetscCall(MatZeroRowsColumnsStencil(jac, nrows, rows, 2.0 * (hydhx + hxdhy), NULL, NULL)); in FormMatrix()
248 PetscReal hx, hy, hxdhy, hydhx; in NonlinearGS() local
262 hydhx = hy / hx; in NonlinearGS()
293 uxx = (2.0 * u - x[j][i - 1] - x[j][i + 1]) * hydhx; in NonlinearGS()
296 J = 2.0 * (hydhx + hxdhy); in NonlinearGS()