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Modeling technique to simulate thermally-induced stress in an assembly consisting of components made of different materials

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Abbreviations

E:

modulus of elasticity [N/mm2]

F f :

fractional force [N]

F n :

normal force [N]

F p :

propeller thrust [N]

k:

stiffness [N/mm]

l:

length [mm]

p:

pressure [N/mm2]

p e :

external pressure [N/mm2 ]

p i :

internal pressure [N/mm2]

r:

radius [mm]

r a :

inner radius [mm]

r b :

outer radius [mm]

u:

displacement [mm]

x,y,z:

Cartesian coordinates [mm]

Δu:

difference between displacements [mm]

Δα:

difference between coefficients of thermal expansion [1/K]

Δ ϑ:

difference between temperatures [K]

α:

linear coefficient of thermal expansion [1/K]

ϵ z :

z-component of strain [ ]

ϑ :

temperature [°C]

ϑ F :

stress-freezing temperature [°C]

ϑ R :

room temperature [°C]

ϑ T :

glass-transition temperature [°C]

ν:

Poisson’s ratio [ ]

σ r :

radial stress [N/mm2]

σ t :

tangential stress [N/mm2]

σ z :

z-component of stress [N/mm2]

σ1,σ2:

principal normal stress [N/mm2]

A,B:

body A,B

M:

model

P:

prototype

S:

scale

cc:

crankcase

ch:

cylinder head

*:

required values

References

  1. Hovanesian, J.D. and Kowalski, H.C., “Similarity in Thermoelasticity,” EXPERIMENTAL MECHANICS (Feb. 1967).

  2. Niemann, G., “Maschinenelemente,” Band — (2.Aufl.), Springer-Verlag Berlin, Heidelberg, New York, 359–369 (1975).

    Google Scholar 

  3. Spotts, M.F., Design of Machine Elements, 4th Ed., Prentice-Hall, Inc., Englewood Cliffs, NJ, 457–463 (1971).

    Google Scholar 

  4. Timoshenko, S., Strength of Materials, Part II, 3rd Ed., D. Van Nostrand Company, Inc., Princeton, NJ, 205–214 (1957).

    Google Scholar 

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Raab, W., Weigand, M., Renneisen, A. et al. Modeling technique to simulate thermally-induced stress in an assembly consisting of components made of different materials. Exp Tech 15, 40–46 (1991). https://doi.org/10.1111/j.1747-1567.1991.tb01180.x

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  • DOI: https://doi.org/10.1111/j.1747-1567.1991.tb01180.x

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