Abstract
Based on the physical principle of the conservation of momentum, the linear elastic deformation of a solid body is described by the time dependent or stationary elasticity equation.
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- apc :
-
Depth of cut (µm)
- a 1pc , a 2pc :
-
Given depth of cut (µm)
- a actpc (t):
-
Real depth of cut (µm)
- a varpc :
-
Variation of the depth of cut (µm)
- apcα :
-
Optimal depth of cut (µm)
- a 1pcα :
-
Optimal depth of cut for a 1pc (µm)
- a 2pcα :
-
Optimal depth of cut for a 2pc (μm)
- Δapc :
-
Difference between the given a 1pc und a 2pc , the height of the ramp (µm)
- a, b:
-
Parameters that describe the stochastic spread of the grain orientations around a basic orientation
- B:
-
Force coefficient
- C :
-
Stiffness matrix (MPa)
- C :
-
Stiffness matrix of polycristal (GPa)
- c :
-
Stiffness matrix of monocrystal (GPa)
- F:
-
Force (N)
- Fo :
-
Surface force (N)
- Ft, Fr, Fax,:
-
Force in tangential, radial and axial direction (N)
- Fx, Fy, Fz :
-
Resulting force in three orthogonal directions x, y and z (N)
- F*:
-
Vector of three force components (N)
- f:
-
Body forces (N/m3)
- g, g0, \( \tilde{g} \) :
-
Rotation
- hc :
-
Chip thickness (mm)
- i:
-
Refraction index
- j:
-
Number of cutting edges
- k:
-
Number of small independent rotations
- lh :
-
Height of the holder (mm)
- Lq :
-
Lebesgue saces
- m:
-
Function
- n:
-
Rotational speed of the tool [Hz (1/s)]
- q:
-
Parameters
- t:
-
Time (s)
- v:
-
Velocity (mm/s)
- vf :
-
Feed velocity (mm/min)
- v actf :
-
Current feed velocity (mm/s)
- w:
-
Acement/deformation vector (m)
- x:
-
Coordinate in x-direction (mm)
- y:
-
Coordinate in y-direction (mm)
- z:
-
Coordinate in z-direction (mm)
- A :
-
Operator
- α :
-
Regularisation parameter
- γ :
-
run out angle [° (deg)]
- δ :
-
Deflection (µm)
- δt, δr, δax:
-
Deflection in radial, tangential and axial direction (µm)
- δ v :
-
Virtual displacement (m)
- Δ:
-
Difference (µm)
- Δx:
-
Length of the ramp (mm)
- ε :
-
strain tensor
- ε, εel, εin:
-
Strain tensors
- εxx,εyy,εzz,εxy,εxz,εyz:
-
strain tensor components
- ζ :
-
orthogonal basis
- θ1, θ2, θ3 :
-
Euler angle (rad)
- η:
-
run out vector (µm)
- ηx :
-
Run out vector in x direction (µm)
- ηy :
-
Run out vector in y direction (µm)
- υ :
-
variable
- ξ :
-
Integration variable
- ρ :
-
Density (kg/m3)
- σ :
-
Stress tensor (MPa)
- σ ij :
-
components of stress tensor (MPa)
- \( \bar{\sigma } \) :
-
Averaged Stress tensor in RVE (MPa)
- Φ :
-
Penalty functional
- \( \phi \) :
-
accumulated plastic strain
- φ :
-
Rotational angle [° (Deg)]
- Ω :
-
Rotation matrix
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Maaß, P. (2013). Simulation Technologies. In: Vollertsen, F. (eds) Micro Metal Forming. Lecture Notes in Production Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30916-8_9
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DOI: https://doi.org/10.1007/978-3-642-30916-8_9
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