another-take…

material_implicit.dat
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			material elastic [
			name = steel
			rho = 7800 # density
			E = 2.1e11 # young's modulus
			nu = 0.0 # poisson's ratio
			]

			model solid_mechanics_model [
			name = solid_mechanics_model
			time_step_solver static [
			type = static
			non_linear_solver static [
			type = newton_raphson_modified
			max_iterations = 100
			threshold = 1e-3
			convergence_type = solution
			]
			]
			]