==== general data ===
	ndirload	ndirconst
=====================
	1			3		
=====================

===== loading ============
	node direction	value
==========================
	49		2		-1.000000E+00
==========================

=========== boundary condition ===================
	node	direction 		type		value
====================== rig(1) = spring(2)=========
	1		1				1			0.000000E+00
	1		2				1			0.000000E+00
	1		3				1			0.000000E+00
==================================================