BINARY INPUT FILE FORMAT

INTEGER*4 nodes_count
INTEGER*4 elements_count
INTEGER*4 element_type (2=Triangle, 3=Quadrilateral, 4=Tetrahedra, 5=Hexahedra)
INTEGER*4 nodes_per_element
INTEGER*4 degrees_of_freedom
INTEGER*4 connectivity(elements_count, nodes_per_element)
DOUBLE PRECISION Ke(elements_count, nodes_per_element*degrees_of_freedom, nodes_per_element*degrees_of_freedom)
DOUBLE PRECISION u(nodes_count*degrees_of_freedom)
DOUBLE PRECISION f(nodes_count*degrees_of_freedom)
INTEGER*4 fixed(nodes_count*degrees_of_freedom)


BINARY OUTPUT FILE FORMAT

DOUBLE PRECISION u(nodes_count*degrees_of_freedom)
