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It is concluded that the formation of a nucleus of the new carbon phase occurs at the contact boundaries of neighboring grains of newly reduced iron with the subsequent formation in these places of ring-shaped carbon cuffs.
When the contact occurs between crack surfaces, the formulation adopted is the dual version of BEM, in which singular and hyper-singular integral equations are defined along the opposite sides of the contact boundaries.
In the software, based on Lagrange multiplier method and Coulomb friction law, kinematic constraints on contact boundaries were introduced in functional function, and the finite element equations was established for two incremental large deformation analyses models, polar decomposition model and additive decomposition model.
For every incremental loading step, by searching for the contact points in the potential contact interfaces (the excavation boundaries), the Lagrange multipliers, i.e., contact forces are calculated iteratively by Gauss-Seidel method, and justified through satisfy the inequalities of static constraint on contact boundaries.
After the contact boundaries straddle the recycling point, the receptors are distributed to them equally.
The mismatch is approximately 10% and can to a large extent be accounted for by the natural fluctuations in the contact boundaries which our method cannot resolve.
Similar(48)
In order to determine the contact boundary for wheel-roller contact, the following modifications of Eq. (3) are proposed.
The straightforward application of classical time discretization schemes to dynamic contact problems often leads to instabilities at the contact boundary.
where u cb and p cb are values at the contact boundary and p is given by expression (4).
The non-linear vibrations of a linear beam with cantilever-Hertizian contact boundary conditions are investigated.
Full-field individual stresses are obtained in the wood, including at the contact boundary.
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