نتایج جستجو برای: type scheme at each time step
تعداد نتایج: 6220955 فیلتر نتایج به سال:
In this work, we study shape optimization problems in the Stokes flows. By phase-field approaches, resulted total objective function consists of dissipation energy fluids and Ginzburg--Landau functional as a regularizing term for generated diffusive interface, together with Lagrangian multiplayer volume constraint. An efficient decoupled scheme is proposed to implement by gradient flow approach...
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
In this paper, an advanced thermo-mechanical treatment was conducted on AISI 316 austenitic stainless steel. At first, three samples were rolled at the ambient temperature, the temperature of -20 ºC (dry ice and ethanol) and -196 ºC (liquid nitrogen). Then, the samples were annealed at 800 ºC in the time range of 1 to 15 minutes. In each step, the microhardness values of the samples were measur...
this study was an attempt to investigate the effect of using c-test passages on the reading comprehension and incidental vocabulary learning of iranian intermediate efl learners. the participants were 60 male efl learners at kish mehr institute in garmsar. in fact, there were two groups, an experimental group and a comparison group with 30 students in each. the participants were pretested throu...
Time parallelization scheme with an adaptive time step size for solving stiff initial value problems
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