Test 1.2 Flat Truss

Analytical solution: M. Laredo, Résistance des matériaux, Paris, Dunod, 1970, p. 579.

Geometry:

Q=30⁰; А1=1.41 x 10^-3 м²; А2=2.82 x 10^-3 м².

Material characteristics: Isotropic elastic, Е=2.1 х 10¹¹ Pa, coefficient of thermal expansion α = 10^-5 С^-1.

Boundary conditions: uA=vA = 0; vB = v^l _c = 0.

Loads:

vA = -0.02 м; vВ = -0.03 м; v = -0.015 м.
FE = -150 кН; FF = -100кН.
All rods are heated to temperature 150⁰С.

CALCULATION RESULTS:

Point	The desired value	Analytic solution	Calculation results (LYRA)	Infelicity,%
BD	Longitudinal force, Н	43633	43633	0
D	Relocation vD, м	-0,01618	-0,01618	0

Preview image: Array

Back to the list

---