Text files (*.tmp) used by general Matlab FEA example system
[and by the supporting FEA Matlab plot library by J.E. Akin]

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Application/plot sequential temporary data text files (msh_*.tmp)
These files are given a new application extension name after use.

REQUIRED text file input: 
msh_bc_xyz.tmp:  one line per node
	packed_bc_flag, x, y, z-coordinates
   The packed flag, at each node, is an integer with as many 
   digits as degrees of freedom (dof) per node.  For example, a
   beam with deflection & slope: 00 = none given, 10 = deflection
   given, 01 = slope given, 11 = both given.  The number of 
   non-zero digits in the flags determines the number of lines 
   in the BC values file (msh_ebc.tmp).

msh_typ_nodes.tmp:  one line per element
	el_type, node connection list

msh_ebc.tmp: one line for each essential boundary condition
	node, dof_number, value_assigned

msh_properties.tmp:  one line, or one line per element
	values for each property required by the user

msh_load_pt.tmp: if pt source flag set, one line per pt source
	node, dof_number, source_value

msh_mass_pt.tmp: if pt mass flag set, one line per pt mass  
	node, dof_number, mass_value

msh_stiff_pt.tmp: if pt stiffness flag set, one line per pt stiffness  
	node, dof_number, stiffness_value

msh_mpc.tmp: iff multipoint (algebraic) constraints are imposed
        node & dof_number pair sets, coefficent_value sets
        (to produce: unkn_1 + unkn_2 * coeff_1 = coeff_2, etc)

OPTIONAL text file input:
msh_remarks.tmp: one line per user remark about the application
msh_files_info.tmp: this file

OUTPUT text file files (usually for optional plotting):
ALWAYS:
node_results.tmp: computed solution, one line per node
	coordinates, computed_dof_at_node

USER CHOICE:
node_reaction.tmp: computed reactions, one line per EBC
        node, dof_number, value_computed

node_resultants.tmp: sum of sources, one per node
	node, dof_number, sum_value
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