Quarterly of Applied Mathematics
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چکیده
The mass, momentum, and energy conservation requirements at wave fronts (or surfaces of discontinuity) are reduced to a form suitable for use in the coupled thermoplastic analysis. Constitutive equations are introduced in these relations, and, for one-dimensional situations, it is shown that an isothermal (or adiabatic) wave front separating regions of elastic and plastic behavior will propagate with the same speed as an isothermal (or adiabatic) surface of discontinuity lying completely inside a domain of plastic deformation. A new thermoplastic coupling parameter is obtained from an example involving spherical symmetry.
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Suggestions concerning the Preparation of Manuscripts for the Quarterly of Applied Mathematics
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Quarterly of Applied Mathematics
The paper is concerned with the existence of a classical solution of a mixed third boundary value problem on a sphere. The existence is proved by reducing the problem to a Fredholm integral equation that has a unique solution. Various consequences of the existence theorem are mentioned and some numerical results are given.
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We discuss a hyperbolic aspect of magnetostriction. The equations governing the longitudinal motion consist of the nonlinear wave equations and the rate equations for the motion of spin for the magnetic moment. We show that the breakdown of smooth solutions will take place in finite time even if the initial data are smooth.
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The efficiency of a cooling fin of given weight is measured by the amount of heat dissipated per unit time by the fin. It is known that the efficiency of a given fin can be altered by changing the shape of the fin. In this paper we determine the shape of the most efficient fin of given weight and length, and thickness h.
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The main purpose of this study was to analyze the content of scientific products of the Quarterly Journal of Human Resources Management in the Oil Industry. This research was a qualitative research based on content analysis, which was considered applied in terms of purpose and descriptive-analytical in terms of approach. The statistical population of the study included 200 articles published in...
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1. Robert P. Backstrom. "On the Determination of the Zeros of the Fibonacci Sequence." The Fibonacci Quarterly 4, No. 4 (1966):313-322. 2. R. D. Carmichael. "On the Numerical Factors of the Arithmetic Forms a + 3." Annals of Mathematics9 2nd Ser. 15 (1913):30-70. 3. John H. Halton. "On the Divisibility Properties of Fibonacci Numbers." The Fibonacci Quarterly 4, No. 3 (1966):217-240. 4. D.H. Le...
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