نتایج جستجو برای: implicit limit state function
تعداد نتایج: 2153503 فیلتر نتایج به سال:
The paper deals with the stability of reinforced embankments on soft clay foundations, and presents alternative practical and versatile procedures for easy implementation of the traditionally tedious and iterative limit equilibrium methods of slices, including Bishop’s simplified method and Spencer’s method of slices. The proposed implementation procedures combine the use of constrained optimiz...
We consider the state price densities that are implicit in financial asset prices. In the pricing of an option, the state price density is proportional to the second derivative of the option pricing function and this relationship together with no arbitrage principle imposes restrictions on the pricing function such as monotonicity and convexity. Since the state price density is a proper density...
We analyse boundary conformal field theories on random surfaces using the conformal gauge approach of David, Distler and Kawai. The crucial point is the choice of boundary conditions on the Liouville field. We discuss the Weyl anomaly cancellation for Polyakov’s non-critical open bosonic string with Neumann, Dirichlet and free boundary conditions. Dirichlet boundary conditions on the Liouville ...
Implicit particle filtering is a sequential Monte Carlo method for data assimilation, designed to keep the number of particles manageable by focussing attention on regions of large probability. These regions are found by minimizing, for each particle, a scalar function F of the state variables. Some previous implementations of the implicit filter rely on finding the Hessians of these functions....
The aim is to reconstruct a complete and detailed clothed human from single-view input. Implicit function suitable for this task because it represents fine shape details varied topology. Current methods, however, often suffer artefacts such as broken or disembodied body parts, missing details, depth ambiguity due the complexity of articulation. main issue observed by authors structure-agnostic....
This research includes of the numerical modeling of fluids in two-dimensional cavity. The cavity flow is an important theoretical problem. In this research, modeling was carried out based on an alternating direction implicit via Vorticity-Stream function formulation. It evaluates different Reynolds numbers and grid sizes. Therefore, for the flow field analysis and prove of the ability of the sc...
We propose and analyze an “implicit” trust-region method in the general setting of Riemannian manifolds. The method is implicit in that the trust-region is defined as a superlevel set of the ρ ratio of the actual over predicted decrease in the objective function. Since this method potentially requires the evaluation of the objective function at each step of the inner iteration, we do not recomm...
Program slicing consists of deleting statements from a pro gram creating a reduced program a slice that preserves the original program s behaviour for a given set of variables at a chosen point in the program However some aspects of a program s semantics are not captured by a set of variables rendering slicing inapplica ble to their analysis These aspects of the program s state shall collective...
Dyslexia is a prevalent reading disability whose underlying mechanisms are still disputed. We studied the neural mechanisms underlying dyslexia using a simple frequency-discrimination task. Though participants were asked to compare the two tones in each trial, implicit memory of previous trials affected their responses. We hypothesized that implicit memory decays faster among dyslexics. We test...
Forming Limit Diagrams are useful tools for evaluation of formability in the sheet metals. In this paper the effects of yield criteria on predictions of the right and left-hand sides of forming limit diagrams (FLDs) are investigated. In prediction of FLD, Hosford 1979, “Karafillis-Boyce” (K-B) and BBC2000 anisotropy yield functions have been applied. Whereas the prediction of FLD is based on th...
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