private void CreateFiniteElement1D(double startX, double startY, double startZ, double endX, double endY, double endZ) { nodeFactory = new NodeFactory(ModelType.Truss3D); start = nodeFactory.Create(startX, startY, startZ); end = nodeFactory.Create(endX, endY, endZ); elementFactory = new ElementFactory(ModelType.Truss3D); SUT = elementFactory.CreateLinearConstantSpring(start, end, 0); }