Quantcast BARCS- Dynamic Nonlinear Analysis of Slabs

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(c) The program contains two options:
1.  Shock calculation which produces a time history of the
pressure at distance from the explosion and
2.  An impulse calculation which gives total impulse for
each wall.
Within this latter option, a grid of impulse may also be
(a) Program CEL SAP5 is a general purpose finite element
program for the analysis of two-dimensional and three-dimensional elastic
structures subjected to static and dynamic loads.  It is well suited to
analyze complete structures subjected to blast loading.  However, the blast
loadings have to be determined prior to code usage.
(b) The computer program is capable of analyzing linear static
and dynamic problems using finite element techniques.  The structural system
that can be analyzed may be composed of combinations of the following
elements:  three-dimensional truss, two-dimensional plane stress/plane
strain element, three-dimensional thin shell, three-dimensional solid
element, three-dimensional thick shell and three-dimensional beam.  The
program is limited to linear elastic material properties and dynamic
solutions may be by modal analysis for elastic systems or time-step
(a) This program is capable of performing dynamic nonlinear
analysis and optimized design of rectangular reinforced concrete slabs with
various boundary conditions subject to blast pressures.  It is intended to
perform the approximate design of slabs which form the walls and roofs of
reinforced concrete blast cells, similar to those in use in conventional
ammunition plants and for hazardous operations in testing missiles for
acceptance by the Navy.
(b) The program can compute blast shock and gas pressures
based on the type and quantity of explosive.  It determines the structural
properties of the reinforced concrete slab and then determines the dynamic
response of the slab.  The procedures used in the program are the same as
defined in NAVFAC P-397.
(c) The program computes and prints the blast loading
including peak shock pressure, and impulse and peak gas pressure, and
impulse.  The structural section properties, stiffness and resistance are
determined.  A dynamic time history of slab response is given up until
maximum deflection is reached.  Optimization procedures allow for iteration
of design to produce the least cost design.
(a) This program is a general purpose two-dimensional finite
element program for performing a bilinear dynamic analysis of plates and
beams.  It is intended for detailed analysis of complex plates which are not
reliably designed by approximate techniques such as built-up or heavy steel
blast doors.


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