3-D Simulations of Ignition Transients in the RSRM

Fiedler, Robert; Haselbacher, Andreas; Breitenfeld, Michael; Alexander, Phillip; Massa, Luca; Ross, W. L.

doi:10.2514/6.2005-3993

Cited by 11 publications

(7 citation statements)

References 22 publications

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“…Although the stability limits of algorithms in each sub-domain are well established, the stability restrictions imposed by the coupling algorithms themselves are often not well known. Furthermore, detailed knowledge of stability limitations imposed by the coupling algorithm is very important, because an instability might manifest itself only after a large amount of computational time, particularly in large simulations such as those presented in [6]. Despite the importance of establishing stability limits of thermal coupling algorithms, few authors have tackled this problem.…”

Section: Introductionmentioning

confidence: 99%

“…However, the analysis presented in [7] is not able to capture the stability limit incurred by thermal coupling at a moving interface. Interface motion may arise if the solid deforms due to the loading by the fluid or if it regresses due to combustion, as in the case of solid propellants and other energetic materials [5,6,8]. Furthermore, typical solution methods for FSI computations are not based on FD, but rather on finite-volume/finite-element (FV/FE) methods for the fluid and structure, respectively.…”

Section: Introductionmentioning

confidence: 99%

“…The thermal interaction between fluid and solid domains is important in a wide range of multiphysics problems, such as heating of vehicles in hypersonic flow [1], heating and cooling of turbine blades in jet engines [2,3], thermoelastic deformation of a structure due to aerodynamic heating [4], and the ignition of solid propellants in rockets [5,6]. A key component of fluid-structure interaction (FSI) problems is the algorithm used for coupling the domains along the interface.…”

Section: Introductionmentioning

confidence: 99%

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Stability of fluid–structure thermal simulations on moving grids

Roe

Haselbacher

Geubelle

2007

Numerical Methods in Fluids

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SUMMARYThis article analyses the stability of a thermally coupled fluid-structure interaction problem with a moving interface. Two types of fluid and structural discretizations are investigated: finite-difference/finite-difference as well as the more traditional finite-volume/finite-element (FV/FE) configuration. In either case, the material properties and grid spacing are treated as uniform within each domain. A theoretical stability analysis and corresponding numerical tests show that greater stability is associated with the algorithm in which the fluid domain is passed a Dirichlet condition and the solid domain a von Neumann condition and that the stability of the coupled scheme may be strongly affected by the interface velocity. Furthermore, it shows that the interface velocity has a larger destabilizing effect on the FV/FE discretization than on a finite-difference/finite-difference discretization.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Stability of fluid–structure thermal simulations on moving grids

Roe

Haselbacher

Geubelle

2007

Numerical Methods in Fluids

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“…In particular, the major efforts have been done from the 1980s up to the recent past for the space shuttle reusable solid rocket motor (RSRM) and the Titan solid rocket motor upgrade (SRMU) [7][8][9][10][11][12][13][14][15], by U.S. researchers, and from 2001 up to the recent past for the Vega solid rocket motors [16][17][18][19][20][21][22][23][24][25][26][27] by European researchers. A very good description of SRM ignition transient phenomena and review of the state of the art of modeling efforts and approaches to the SRM startup phase is described in [14,28].…”

Section: Introductionmentioning

confidence: 99%

Parametric Study on Solid Rocket Motor Ignition Transient and Pressure Oscillations Onset

Giacinto

Cavallini

Favini

et al. 2015

Journal of Propulsion and Power

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The startup represents a very critical phase during the whole operational life of solid rocket motors. This paper provides a detailed study of the effects on the ignition transient of the main design parameters of solid-propellant motors. The analysis is made with the use of a quasi-one-dimensional unsteady model of solid rocket ignition transient, extensively validated, and used in the frame of the Vega program, for ignition transient predictions, reconstructions, and analyses. Two baseline solid rocket motor configurations are selected for the parametric analysis: a big booster with a three-segment propellant grain shape, similar to Ariane 5, and a small booster/solid stage with an aft-finocyl grain shape, similar to Vega solid rocket motors. The discussion of the results is particularly addressed on the possible onset of the pressure oscillations during the startup of the two solid rocket motor configurations, pointing out the design parameters that affect them in terms of occurrence and amplitude.

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“…We provide a technical overview of the computational and computer science support for these rocket simulations, and complements the results on integrated simulation presented at this conference. 1,2 While presenting a comprehensive overview of computer science eorts, we focus mostly on our most recent developments on surface propagation and the high-level orchestration framework.…”

mentioning

confidence: 99%

An Integration Framework for Simulations of Solid Rocket Motors

Jiao¹,

Zheng²,

Lawlor³

et al. 2005

41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference &Amp;amp; Exhibit

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Simulation of solid rocket motors requires coupling physical models and software tools from multiple disciplines, and in turn demands advanced techniques to integrate independently developed physics solvers eectively. In this paper, we overview some computer science components required for such integration. We package these components into a software framework that provides system support of high-level data management and performance monitoring, as well as computational services such as novel and robust algorithms for tracking Lagrangian surface meshes, parallel mesh optimization, and data transfer between nonmatching meshes. From these reusable framework components we construct domain-specic building blocks to facilitate integration of parallel, multiphysics simulations from high-level specications. Through examples, we demonstrate the exibility of our framework and its components.

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3-D Simulations of Ignition Transients in the RSRM

Cited by 11 publications

References 22 publications

Stability of fluid–structure thermal simulations on moving grids

Stability of fluid–structure thermal simulations on moving grids

Parametric Study on Solid Rocket Motor Ignition Transient and Pressure Oscillations Onset

An Integration Framework for Simulations of Solid Rocket Motors

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