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material-cohesive.dat
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			model solid_mechanics_model_cohesive[
			cohesive_inserter [
			cohesive_surfaces = [interface]
			]

			material elastic [
			name = body
			rho = 1.0 # density
			E = 1e3 # young's modulu
			nu = 0.3 # poisson's ratio
			]

			material cohesive_linear [
			name = interface
			beta = 1
			G_c = 6.25e-4
			sigma_c = 1
			kappa = 1
			penalty = 0
			contact_after_breaking = false
			]

			]

			contact_detector [
			type = explicit
			master = interface
			slave = interface
			projection_tolerance = 1e-10
			max_iterations = 100
			extension_tolerance = 1e-5
			]

			contact_resolution penalty_linear [
			name = interface
			mu = 0.0
			epsilon_n = 0
			epsilon_t = 0
			is_master_deformable = true
			]