Curs Mecanica

92 GLOSAR
rotational kinetic state, 49
– motion, 42
– state of motion, 49
roto–translational motion, 43
– state of motion, 50
roulette, 75
Routh’s equations, ??
S
Saint–Venant problem, ??
Saint–Venant’s compatibility conditions,
??
scalar multiplication, 2
scleronomic constraint, 32
second, 2
– cosmic speed, ??
– principle of thermodynamics, ??
secular equation, ??, ??
shear modulus, ??
– strain, ??
shock, ??
simple linear connected domain, ??
– material, ??
– pendulum, ??
– shear, ??
sinusoidal progressive wave, ??
sliding velocity, 55, 75
small oscillations, ??, ??
sound speed, ??
space of configurations, ??
– of states, ??, ??, ??, ??
– of minimal states, ??
spatial cone, ??
– coordinates, ??
– gradient of deformation, ??
speed, 6
spherical polar coordinates, ??
spontaneous motion, ??
stable equilibrium position, ??
– equilibrium state, ??
state, ??, ??, ??
– of motion, 49
statically determined, ??
– undetermined, ??
stationary dynamic system, ??
statistical mechanics, ??
steady flow, ??
Stokes flow, ??
strain–displacement relation, ??
strain energy, ??
– energy density, ??
stress power, ??
strongly elliptic elasticity tensor, ??
stuck point, ??
successive harmonics, ??
superpotential, ??
surface traction, ??
suspension axis, ??
Symbolic Equation of Dynamics, ??
– Equation of Statics, ??
symmetric elasticity tensor, ??
symmetry transformation, ??
synchronous varied motions, ??
T
tangent unit vector, 8
tangential acceleration, 11
terminal velocity, ??
theorem of axial moment, ??
thermoelastic material, ??
thermomechanic process, ??
three–dimensional affine Euclidean space,
2
time law, 5
torsional rigidity, ??
trajectory, 5
translation velocity field, 41
translational kinetic state, 49
– motion, 41
– state of motion, 49
transport acceleration, 61
– force, ??
– velocity, 61
transverse acceleration, 14
– velocity vector, 13
– wave, ??
two–body problem, ??