public override string ToString()
{
//string str = "Stiffness:" + _matStiff + "\n";
//str += "Poissons Ratio:" + _poison + "\n";
string str = _section.ToString() + "\n";
str += "Start release:" + _stRel.ToString() + "\n";
str += "End release" + _enRel.ToString();
return(str);
}
