{
 "title": "NAFEMS LE1 elliptic membrane (hex20 plane stress layer)",
 "kind": "benchmark",
 "source": "NAFEMS, The Standard NAFEMS Benchmarks, TNSB Rev. 3, October 1990, test LE1 (target σ_yy = 92.7 MPa at D); as reproduced in the Abaqus 2017 Benchmarks Guide, 'LE1: Plane stress elements—elliptic membrane'",
 "quantities": [
  {
   "id": "syy_D",
   "quantity": "σ_yy at D (2, 0)",
   "measure": {
    "command": "solve.probe",
    "params": {
     "step": "Load",
     "at": [
      [
       2,
       0,
       0
      ]
     ]
    },
    "pointer": "/nodes/0/stress/1"
   },
   "value": 92.7,
   "tolerance": {
    "relative": 0.01
   },
   "reason": "the target is published to three figures; plane stress modelled by a thin solid layer and the stress extrapolated to the edge add a few tenths of a percent"
  }
 ]
}