scholarly journals Teaching Students Work And Virtual Work Method In Statics: A Guiding Strategy With Illustrative Examples

2020 ◽  
Author(s):  
Ing-Chang Jong
Keyword(s):  
Virtual Work ◽  
Work Method

Plastic design of regular orthotropic grids with two adjacent edges fixed, free, or hinged

1972 ◽  
Vol 7 (4) ◽  
pp. 279-284 ◽  
Author(s):  
M Grigorian
Keyword(s):  
Lower Bound ◽  
Virtual Work ◽  
The Other ◽  
Plastic Design ◽  
Simply Supported ◽  
Torsional Resistance ◽  
Plastic Analysis ◽  
Cantilevered Beams ◽  
Flat Grids ◽  
Work Method

Lower-bound solutions to the problem of collapse of regular rectangular, orthotropic grids with two adjacent edges clamped and the other two either free or simply supported and carrying a uniform concentration of normal nodal forces are developed. The virtual-work method of plastic analysis is used to derive generalized formulae for grids composed of cantilevered and propped-cantilevered beams. The uniqueness of the work-method solutions are confirmed by use of the techniques of discrete field mechanics. The present study is restricted to flat grids with uniform members possessing no torsional resistance. An example is provided to illustrate the applications of the proposed solutions.

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