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Uniform Decreasing Loading Flat Plate Stress and Deflection Equation and Calculator

Flat Rectangular Plate; all edges fixed. Uniform Decreasing Loading Parallel to Side b Stress and Deflection Equation and Calculator.

Per. Roarks Formulas for Stress and Strain for flat plates with straight boundaries and constant thickness

Rectangular Plate; all edges fixed. Uniform Decreasing Loading Parallel to Side b.

Preview: Flat Rectangular Plate all Edges Fixed. Uniform Decreasing Loading Parallel to Side b calculator

Rectangular plate;
all Edges Fixed
Rectangular plate; one edge fixed, opposite edge free,
 
Uniformly decreasing load
parallel to side b
Uniformly decreasing load

Stress at x = 0, z = 0

Stress at x = 0, z = 0.4b

and

Stress at x = 0, z = b

Stress at x = ± a/2, z = 0.45b

Deflection at center:

Symbols used:
E = Modulus of Elasticity (lbs/in2)
q = Total load or force to Plate (lbs/in2)
v = Poisson’s ratio (assumed to be 0.3)
t = plate thickness, (in)
a = plate length, (in)
b = plate width, (in)
σb = stress, (lbs/in2)
γmax = Deflection (in)
β1,2, 3, 4, 5 = Constant From Table A
α = Constant From Table A

Table A

a/b
0.6
0.8
1.0
1.2
1.4
1.6

1.8

2.0
β1
0.1132
0.1778
0.2365
0.2777
0.3004
0.3092
0.3100
0.3068
β2
0.0410
0.0633
0.0869
0.1038
0.1128
0.1255
0.1157
0.1148
β3
0.0637
0.0688
0.0762
0.0715
0.0610
0.0509
0.0415
0.0356
β4
0.0206
0.0497
0.0898
0.1249
0.1482
0.1615
0.1680
0.1709
β5
0.1304
0.1436
0.1686
0.1800
0.1845
0.1874
0.1902
0.1908
α
0.0016
0.0047
0.0074
0.0097
0.0113
0.0126
0.0133
0.0136

Reference:

Roarks Formulas for Stress and Strain, 7th Edition

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