Search Results - "Namm, R. V."

Duality Method for Solving 3D Contact Problems with Friction by Namm, R. V., Tsoy, G. I.

“…The article studies a 3D contact problem with Coulomb friction for an elastic body resting on a rigid support. The solution of the quasi-variational…”
Get full text

Solution of a Contact Elasticity Problem with a Rigid Inclusion by Namm, R. V., Tsoy, G. I.

“…An equilibrium problem for an elastic body containing a rigid inclusion is solved. There is a delamination crack on a portion of the interface between the…”
Get full text

A modified dual scheme for solving an elastic crack problem by Namm, R. V., Tsoy, G. I.

“…A dual scheme for solving a crack problem in terms of displacements is considered. The dual solution method is based on a modified Lagrange functional. The…”
Get full text

A method of successive approximations for solving the quasi-variational Signorini inequality by Namm, R. V., Tsoi, G. I.

“…We solve the semicoercive quasi-variational Signorini inequality that corresponds to the contact problem with friction known in the elasticity theory by a…”
Get full text

Sensitivity functionals in contact problems of elasticity theory by Vikhtenko, E. M., Woo, G., Namm, R. V.

“…The sensitivity functional constructed for the variational elasticity problem with given friction is proved to be lower semicontinuous. An analysis based on…”
Get full text

Finite-element solution of a model mechanical problem with friction based on a smoothing Lagrange multiplier method by Maksimova, N. N., Namm, R. V.

“…The convergence of the finite element method in a stable smoothing algorithm for solving a model problem with given friction based on an iterative proximal…”
Get full text

Stable smoothing method for solving a model mechanical problem with friction by Kushniruk, N. N., Namm, R. V., Tkachenko, A. S.

“…A solution algorithm with a modified Lagrangian functional is studied as applied to a semicoercive model problem with friction…”
Get full text

On the convergence of the Uzawa method with a modified Lagrangian functional for variational inequalities in mechanics by Vikhtenko, E. M., Woo, G., Namm, R. V.

“…For the scalar semicoercive Signorini problem, the dual problem is constructed on the basis of a modified Lagrangian functional. The convergence of the…”
Get full text

Solving the quasi-variational Signorini inequality by the method of successive approximations by Namm, R. V., Sachkov, S. A.

“…The method of successive approximations is examined as a tool for solving the semicoercive quasi-variational Signorini inequality. The auxiliary problems with…”
Get full text

On the convergence rate of the finite element method in a semicoercive problem with friction by Vikhtenko, E. M., Namm, R. V.

“…We estimate the convergence rate of the finite element method in the minimization problem for a semicoercive nondifferentiable functional arising in the study…”
Get full text

Duality scheme for solving the semicoercive signorini problem with friction by Vikhtenko, E M, Namm, R V

“…The iterative Uzawa method with a modified Lagrangian functional is used to numerically solve the semicoercive Signorini problem with friction…”
Get full text

Solution of the static contact problem with Coulomb friction between an elastic body and a rigid foundation by Namm, R.V., Tsoy, G.I.

“…We consider a static contact problem between an elastic body and an absolutely rigid foundation with Signorini contact conditions and Coulomb friction law. The…”
Get full text

Iterative proximal regularization of the modified Lagrangian functional for solving the quasi-variational Signorini inequality by Vikhtenko, E. M., Namm, R. V.

“…The iterative Uzawa method with a modified Lagrangian functional is used to numerically solve the semicoercive Signorini problem with friction…”
Get full text

An iterative method based on a modified Lagrangian functional for finding a saddle point in the semicoercive Signorini problem by Woo, G., Namm, R. V., Sachkoff, S. A.

“…The iterative Uzawa method with a modified Lagrangian functional is examined in the framework of the Signorini problem.[PUBLICATION ABSTRACT]…”
Get full text

Iterative proximal regularization method for finding a saddle point in the semicoercive Signorini problem by Woo, G., Kim, S., Namm, R. V., Sachkoff, S. A.

“…An algorithm for seeking a saddle point for the semicoercive variational Signorini inequality is studied. The algorithm is based on an iterative proximal…”
Get full text

Sensitivity functionals in variational inequalities of mechanics and their applications to duality schemes by Vikhtenko, E. M., Maksimova, N. N., Namm, R. V.

“…The characteristic properties of sensitivity functionals in variational inequalities of mechanics are investigated using a scalar Signorini problem as an…”
Get full text

Modified lagrange functionals to solve the variational and quasivariational inequalities of mechanics by Vikhtenko, E. M., Maksimova, N. N., Namm, R. V.

“…Consideration was given to the methods of solving the model problem with friction and the contact problem of the elasticity theory with a given friction which…”
Get full text

Solution of a semicoercive Signorini problem by a method of iterative proximal regularization of a modified Lagrange functional by Namm, R. V., Tkachenko, A. S.

“…Duality methods based on classical schemes for constructing Lagrange functional are inapplicable for solving semicoercive variational inequalities in…”
Get full text

Iterative proximal regularization of a modified Lagrangian functional for solving a semicoercive model problem with friction by Maksimova, N. N., Namm, R. V.

“…A problem of unconstrained minimization of a semicoercive nondifferentiable functional corresponding to a model friction problem is reduced to a problem of…”
Get full text

The lagrange multiplier method for solving a semicoercive model problem with friction by Kushniruk, N. N., Namm, R. V.

“…In model problems with friction, unconditional minimization of a nondifferentiable functional is reduced to conditional minimization of a differentiable…”
Get full text