2 edition of Nonlinear transient analysis by energy minimization found in the catalog.
Nonlinear transient analysis by energy minimization
Manohar P Kamat
by National Aeronautics and Space Administration, Scientific and Technical Information Office in Washington, D.C
Written in English
|Statement||Manohar P. Kamat ; prepared for Langley Research Center under contract NAS 1-15080|
|Series||NASA contractor report -- 3287|
|Contributions||United States. National Aeronautics and Space Administration. Scientific and Technical Information Office, Langley Research Center|
|The Physical Object|
|Pagination||vii, 101 p. :|
|Number of Pages||101|
Archetti F., Vercellis C. () An application of nonlinear programming techniques to the energy-economic optimization of building design. In: Iracki K., Malanowski K., Walukiewicz S. (eds) Optimization Techniques. Lecture Notes in Control and Information Sciences, vol Springer, Berlin, Heidelberg. First Online 29 September Nonlinear Transient Analysis via Energy Minimization* by Manohar P. Kamat+ Virginia Polytechnic Institute and State University and Norman F. Knight, Jr. George Washington University Center at NASA Langley Research Center Abstract The authors provide the formulation basis for nonlinear transient.
Non-Linear Finite Element Analysis of Solids and Structures, () Global and local convergence of a class of penalty-free-type methods for nonlinear programming. Applied Mathematical Modelling , The considered objective function is the total annualized cost, including the investment and operating costs. The binary variables used to represent the flow direction of pipelines lead to a mixed integer nonlinear programming problem, solved by using the standard branch and bound solver in GAMS. The optimization strategy provides the main.
In contrast, analytical analysis readily enables complexity minimization and accuracy maximization of the computat25, Several analytical and semi-analytical non-linear models have been developed for modeling magnetic levitation-based energy harvesting syst21, Nonlinear transient response analysis for double walls with a porous material supported by nonlinear springs using FEM and MSKE method Mechanical Systems and Signal Processing, Vol. 42, No. A Review of Prediction Methods for the Transient .
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Nonlinear transient analysis by energy minimization: a theoretical bases for the "ACTION" computer code. Books. AIAA Education Series; Library of Flight; Progress in Astronautics and Aeronautics; The Aerospace Press; Browse All Books; Meeting Papers; Standards; Other Publications.
Software/Electronic Products; Aerospace America ; Public Policy Papers ; ed by: 4. Transient behaviors of techno-economic analysis for renewable resources are assessed. The optimal hybrid microgrid is affected by fault location and capacity of energy storage.
Deterministic method pinpoints fixed energy cost, making dynamic pricing uncertain. Abstract: The problem of minimizing the maximum transient energy growth is considered. This problem has importance in some fluid flow control problems and other classes of nonlinear systems.
Conditions for the existence of static controllers that ensure strict dissipativity of the transient energy are established and an explicit parametrization of all such controllers Cited by: In the field of computational chemistry, energy minimization (also called energy optimization, geometry minimization, or geometry optimization) is the process of finding an arrangement in space of a collection of atoms where, according to some computational model of chemical bonding, the net inter-atomic force on each atom is acceptably close to zero and the position on the potential energy.
adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A. The analysis problem of a truss with material nonlinearity is formulated as the total complementary energy minimization problem and the member forces are determined by using modified SQP algorithms.
The truss subject to nonlinearities both in material properties and finite displacements is solved by the combination of complementary and. Nonlinear transient analysis by energy minimization: A theoretical basis for the ACTION computer code. By M. Kamat. Minimization of the nonlinear potential function is achieved by using the best current variable metric update formula for use in unconstrained minimization.
Powell's conjugate gradient algorithm, which offers very low. Cable network analysis by a nonlinear programming technique J. Coyette and P. Guisset Dynamic Engineering S.A., Ambachtenlaan, 21, B Heverlee, Belgium (Received November ; revised August ) Static cable network analysis is an highly geometrically nonlinear problem which can be solved by direct minimization of total potential energy.
7. Geradin, S. Idelsohn and M. Hogge, Nonlinear structural dynamics via Newton and quasi-Newton methods. Nucl. Engng Des. 54, (). Beckers and S. Idelsohn, A comforming finite element for the analysis of viscous incompressible fluid flow. 3rd Int.
Conf. Finite Elements in Water Resources, Univ. Mississippi, May 9. In this analysis, the results obtained by an adaptive local search method are presented. The method has proved to be very successful. One reason of the neglect of energy minimization in solving structures for such a long time may be its demand for relatively longer time of computation.
The computational efficiency of a new minimization algorithm for eigenvalue analysis Journal of Sound and Vibration, Vol.
19, No. 3 N-step conjugate gradient minimization scheme for nonquadratic functions. Lemma 1: The maximum transient energy growth E of the system described by (1) is lower bounded by unity.
Proof: At t =0, then x (0) = x 0 and k x 0 k =1. Hence max fE (t): t 0 g 1. The following lemma gives the conditions on the state matrix A for there to be unity transient energy growth.
Lemma 2: The maximum transient energy growth E of. NONLINEAR TRANSIENT ANALYSIS FOR LARGE-SCALE DYNAMICS OF MICROELECTROMECHANICAL SYSTEMS WITH THE MOR-PIM METHOD Le Guan1, Jinkui Chu1*, Jiali Gao2, Ran Zhang2 1Key Laboratory for Dalian University of Technology Precision & Non-traditional Machining of Ministry of Education,P.
China [email protected] Nonlinear transient analysis via energy minimization. By Jr. Knight and M. Kamat. Abstract. The formulation basis for nonlinear transient analysis of finite element models of structures using energy minimization is provided.
Geometric and material nonlinearities are included. The development is restricted to simple one and two. This investigation is concerned with the design of machine tool spindles based on transient analysis.
The dynamic equation of motion of a lathe spindle has been obtained using finite element analysis along with modal analysis. The objective of this investigation is the minimization of the maximum dynamic response by a suitable choice of. formance, particularly when the task is to reduce the DSIM energy consumption under transient modes.
In the industrial applications, many electrical drives operate with a rapidly-varying load torque . The transient regime is explained by nonlinear models that require robust algorithms of energy minimization strategies.
Annular seals of turbomachinery usually suffer from various degrees of eccentricities and disturbances due to the rotor–stator misalignment and radial loads, while the discussion of annular seal under both large static eccentricities and dynamic disturbances is relatively limited.
In this paper, the applicability of linear assumption and reliability of nonlinear dynamic model for. Applying the potential energy scheme in the nonlinear analysis of the structures was carried out by Toklu (). Then, Greco et al. () proposed a tactic for the elasto-plastic behavior by.
Energy Minimization Methods in Computer Vision and Pattern Recognition, () Domain decomposition method for image deblurring. Journal of Computational and Applied Mathematics. The model includes fully nonlinear elasticity as well as the multiplicative split of the deformation gradient into an elastic part and a plastic part.
Using the energetic formulation for this rate-independent process we derive a time-incremental problem, which is a minimization problem with respect to the deformation and the plastic variables.Nonlinear Transient Analysis by Energy Minimization - A Theoretical Basis for the “ACTION” Computer Code Manohar P.
Kamat Virginia Polytechnic Institzlte and State University Blacksburg, Virginia Prepared for Langley Research Center under Contract NASl-lSOS0 National Aeronautics and Space Administration.Solution sequences and consolidate all the nonlinear features described above.
SOL is applicable to static, quasi-static, and nonlinear buckling analyses. SOL is primarily applicable to dynamic transient response analysis with some limited static analysis capability. Both of these solution sequences can accommodate superelements.