2013
DOI: 10.1002/nme.4488
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Abstract: SUMMARYIn many space missions, expandable or reusable launch systems are used. In this context, the reliable design of liquid rocket engines (LREs) is a key issue. In the present paper, we present a novel combination of numerical schemes. It is applied to model the extreme physical phenomena a typical LRE undergoes during its loading cycles. The numerical scheme includes a partitioned fluid–structure interaction (FSI) algorithm in combination with a unified viscoplastic damage model. This allows the complex de… Show more

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Cited by 25 publications
(28 citation statements)
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References 32 publications
(49 reference statements)
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“…is a discrete version of the fourth equation in (16) and completes the system (21). Notice that the left hand side of (24) comes from (23) and the right hand side from (22).…”
Section: Then Letting U (M) Imentioning
confidence: 96%
See 1 more Smart Citation
“…is a discrete version of the fourth equation in (16) and completes the system (21). Notice that the left hand side of (24) comes from (23) and the right hand side from (22).…”
Section: Then Letting U (M) Imentioning
confidence: 96%
“…Conjugate heat transfer plays an important role in many applications and its simulation has proved essential [2]. Examples for thermal fluid-structure interaction are cooling of gas-turbine blades, thermal anti-icing systems of airplanes [8], supersonic reentry of vehicles from space [19,23], gas quenching, which is an industrial heat treatment of metal workpieces [17,33] or the cooling of rocket nozzles [20,21].…”
Section: Introductionmentioning
confidence: 99%
“…The coupled elastoplastic damage model discussed here is a direct nonlocal extension of a corresponding local model which was presented earlier and discussed in detail e. g. by [1], [2], [3]. Nonlocality is introduced into the model in a straightforward way by exchanging in every model equation the local damage variable D by its nonlocal counterpartD (except forḊ in Eq.…”
Section: D Elastoplasticity Model Coupled To Nonlocal Damagementioning
confidence: 99%
“…Combined nonlinear isotropic and kinematic hardening as well as continuum damage of Lemaitre-type are considered. The model is a direct nonlocal extension of a corresponding local model which was presented earlier (see e. g. [1], [2], [3]). Conclusions drawn from a numerical benchmark test performed in this study demonstrate that the nonlocal damage model is suitable to provide mesh-independent solutions in finite element simulations.…”
mentioning
confidence: 99%
“…2) for the lifetime predicition of a typical rocket combustion chamber by means of a sequentially coupled thermomechanical analysis. In Kowollik et al [5] the viscoplastic damage model is implemented in a fluid-structure interaction (FSI) analysis. Using the example of a typical rocket combustion chamber, the results of a complete engine cycle show the potential of the new numerical scheme for the lifetime prediction.…”
Section: Introductionmentioning
confidence: 99%