About: Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches

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About: Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Projekt, within Data Space : linked.opendata.cz associated with source document(s)

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rdfs:seeAlso	http://www.isvav.cz/projectDetail.do?rowId=GAP101/12/2315
Description	The project deals with modelling of wave propagation in heterogeneous media comprising at least two material components with very different properties, like phononic-elastic and piezoelectric materials, or porous fluid-saturated media. Besides describing behaviour of such media with given properties of individual components and periodic structures, the project is also aimed at optimal setting of such microstructural parameters which provide a desired quality of the wave propagation. By combining the homogenization method, two-scale numerical modelling, analytical approaches and shape, or topology optimization the computational models will be developed for analyzing and tuning wave phenomena in the given media. As an indispensable project ingredient, effective numerical methods based on isogeometric analysis will be proposed. For applications in designing metamaterials and acoustic devices, the wave phenomena in plates and shells involving the phononic elements will be studied. (en) Projekt se zabývá modelováním šíření vln v heterogenních prostředích obsahujících alespoň dvě materiálové komponenty s velmi odlišnými vlastnostmi, jako jsou phononické elastické a piezoelektrické materiály nebo porézní elastické materiály nasycené tekutinou. Kromě popisu chování takových prostředí s danými vlastnostmi jednotlivých komponent a periodickou strukturou je projekt zaměřen i na hledání parametrů mikrostruktury, které zajišťují požadované vlastnosti kontinua z hlediska šíření vln. Vhodnou kombinací metody homogenizace, dvouškálového numerického modelování, analytických metod i tvarové a topologické optimalizace budou získávány výpočetní modely pro sledování a cílenou modifikaci vlnových disperzních jevů v daných typech materiálů. Nedílnou součástí projektu je i vývoj a implementace efektivních numerických metod založených na isogeometrické analýze. S ohledem na možný přínos v oblasti vývoje metamateriálů a akustických zařízení bude věnována pozornost vlnovým jevům v heterogenních deskách a skořepinách s phononickými prvky a jejich využití ve vibroakustice.
Title	Modelling of acoustic wave propagation in strongly heterogeneous media; multi-scale numerical and analytical approaches (en) Modelování šíření akustických vln v silně heterogenních prostředích; víceškálové numerické a analytické přístupy
skos:notation	GAP101/12/2315
http://linked.open...avai/cep/aktivita	Standard projects
http://linked.open...kovaStatniPodpora	http://linked.opendata.cz/resource/domain/vavai/projekt/GAP101%2F12%2F2315/celkovaStatniPodpora
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http://linked.open...datumDodatniDoRIV	2015-04-23 (xsd:date)
http://linked.open...i/cep/druhSouteze	VS - Veřejná soutěž ve výzkumu a vývoji
http://linked.open...ep/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open.../cep/fazeProjektu	100777591
http://linked.open...ai/cep/hlavniObor	BI - Akustika a kmity
http://linked.open...vai/cep/kategorie	ZV - Základní výzkum
http://linked.open.../cep/klicovaSlova	wave propagation homogenization vibroacoustics phononic materials isogeometric analysis numerical methods (en)
http://linked.open...ep/partnetrHlavni	Fakulta aplikovaných věd
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http://linked.open...lneniVMinulemRoce	2014-05-16 (xsd:date)
http://linked.open.../prideleniPodpory	http://linked.opendata.cz/resource/domain/vavai/cep/prideleniPodpory/P101-12-2315
http://linked.open...iciPoslednihoRoku	2015
http://linked.open...atUdajeProjZameru	2015
http://linked.open.../vavai/cep/soutez	SGA02012GA-ST
http://linked.open...usZobrazovaneFaze	DRRVB
http://linked.open...ai/cep/typPojektu	P - Projekt výzkumu a vývoje financovaný ze státního rozpočtu
http://linked.open...ep/ukonceniReseni	2016-12-31 (xsd:date)
http://linked.open.../cep/vedlejsiObor	JI - Kompositní materiály
http://linked.open...ep/zahajeniReseni	2012-01-01 (xsd:date)
http://linked.open...tniCyklusProjektu	ZBBB
is http://linked.open...vavai/riv/projekt of	TWO-SCALE MODELLING OF STRONGLY HETEROGENEOUS CONTINUA USING THE HOMOGENIZATION APPROACH Two scale modeling of acoustic waves in phononic plates using homogenization of high-contrast media Contact-Impact Treatment in Explicit Transient Dynamics Using Isogeometric Analysis with NURBS Convergence study of an explicit FE contact-impact algorithm based on isogeometric analysis with NURBS Nearly Non-Spurious Oscillations Time Scheme in Finite Element Analysis of Non-linear Wave Propagation and Dynamic Fracture Mechanics B-spline finite element method in one-dimensional elastic wave propagation problems Isogeometric free vibration of an elastic block Isogeometric free vibration of elastic simple form bodies Isogeometric free vibration of an elastic block Verification of isogeometric analysis in elastic wave propagation of stress discontinuities Using the bipenalty technique in explicit contact-impact algorithm Influence of mass lumping techniques on contact pressure oscillations in explicit finite element contact-impact algorithm based on isogeometric analysis with NURBS Influence of mass lumping techniques on contact pressure oscillations in explicit finite element contact-impact algorithm based on isogeometric analysis with NURBS Influence of mass lumping techniques on contact pressure oscillations in explicit contact-impact algorithm based on isogeometric analysis Isogeometric analysis in free vibration problems Isogeometric contact analysis: a study of an explicit dynamic contact algorithm Isogeometric analysis in electronic structure calculations Searching for local contact constraints in the finite element procedures for contact problems Homogenization of elastic waves in fluid-saturated porous media using the biot model Homogenization of acoustic waves in strongly heterogenous porous structures Application of explicit contact-impact algorithm to the finite element solution of wave propagation problems Homogenized phononic plates and wave dispersion Phono-WD-RMP - Software for modeling wave dispersion in periodically heterogeneous Reissner-Mindlin plates Sensitivity analysis for optimal design of perforated plates in vobro-acoustics: homogenization approach Topology optimization of 3D trusses with design feature constraints Comparison of two possible approaches to inverse Laplace transform applied to wave problems Computational homogenization of acoustic problem in perforated plates Computational modelling of contact-impact problems in explicit transient dynamic analysis Contact treatment in isogeometric analysis FINITE ELEMENT CODE IN PYTHON AS A UNIVERSAL AND MODULAR TOOL APPLIED TO KOHN-SHAM EQUATIONS Finite element contact-impact algorithm in explicit transient analysis Frictionless contact of elastic bodies: comparison of treatment in finite element analysi and isogeometric analysis A model of wave propagation in homogenized Biot medium with dual porosity On an accurate explicit time integration algorithm for wave propagation problems in solids On the diminishing of spurious oscillations in explicit finite element analysis of linear and non-linear wave propagation and contact problems On the diminishing of spurious oscillations in explicit finite element analysis of linear and non-linear wave propagation and contact problems Parameterizations of generalized NURBS volumes of revolution Validity of models and their verification WAVE DISPERSION IN HOMOGENIZED PERIODIC DOUBLE POROUS FLUID SATURATED SOLIDS On homogenization of the acoustic transmission on perforated double plates Non-spurious Oscillations Time Integration Method in Finite Element Analysis of Non-linear Wave Propagation of Stress Discontinuities Numerical solution of elastic wave propagation by isogeometric analysis Numerical solution of elastic wave propagation problems by B-spline finite element method Grid dispersion analysis of plane square biquadratic serendipity finite elements in transient elastodynamics Wave propagation in phononic plates -- spectral decomposition, polarization and band gaps Complex wavenumber Fourier analysis of the B-spline based finite element method Contact-impact treatment based on the bipenalty technique in explicit transient dynamics Component-wise partitioned finite element method for wave propagation and dynamic contact problems Comparative study of finite element method, isogeometric analysis, and finite volume method in elastic wave propagation of stress discontinuities Comparative study of finite element method, isogeometric analysis, and finite volume method in elastic wave propagation of stress discontinuities An explicit time integration algorithm for finite element computations of discontinuous wave propagation problems An accurate explicit finite element method in elasto-plastic wave propagation problems Accurate explicit finite element method for wave propagation and dynamic contact problems Homogenization of diffusion-deformation in dual-porous medium with discontinuity interfaces Identification of the directional distortional hardening model on the basis of hysteresis loop
is http://linked.open...vavai/cep/projekt of	http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2012/ico%3A61388998 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2012/orjk%3A23520 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2013/ico%3A61388998 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2013/orjk%3A23520 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2014/ico%3A61388998 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2014/orjk%3A23520 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2015/ico%3A61388998 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2015/orjk%3A23520 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2016/ico%3A61388998 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/GAP101%2F12%2F2315/2016/orjk%3A23520

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