a numerical model of ice crushing using a foam

A Numerical Model for Ice Crushing on Concave Surfaces

2015-7-29 · This paper presents a finite element model for the simulation of ice-structure interaction problems, which are dominated by crushing. The failure mode of ice depends significantly on the strain ...

A micro‐macromechanical compression model of crushing …

2020-12-27 · This paper presents a micro and macromechanical model to estimate the grading evolution and plastic strain caused by particle crushing in the isotropic compression of granular materials. A joint‐prob...

Simulation of ice crushing experiment using FE-model …

The numerical modeling of continuous failure process in ice-structure interaction FE-analyses is a big challenge. Conventional methods such as element erosion to model crack propagation or material failure are not satisfactory in modeling true failure process of brittle material. ... Dive into the research topics of ''Simulation of ice crushing ...

a numerical model of ice crushing using a foam

A numerical model of ice crushing using a foam analogue By R E Gagnon Cite BibTex Full citation Abstract A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies These include the presence and evolution of highpressure and lowpressure zones the As a leading ...

Impact of a crushing ice particle onto a dry solid wall

A full three-dimensional computation of drop deformation and break-up [8,10–12] after impact onto composite and rigid substrates provides more details about the velocity and stress fields in the impacting particle and to evaluate different fracture models [], the crater formation in ice by a solid projectile is computed.Impact of long ice cylinders onto a rigid wall is investigated ...

A Finite Element Model for Compressive Ice Loads Based …

2021-11-12 · Abstract. This paper presents a finite element model for the simulation of ice–structure interaction problems, which are dominated by crushing. The failure mode of ice depends significantly on the strain rate. At low strain rates, the ice behaves ductile, whereas at high strain rates it reacts in brittle mode. This paper focuses on the brittle mode, which is the …

Numerical simulation model consist of ice specimen and …

Download scientific diagram | Numerical simulation model consist of ice specimen and steel plate from publication: Simulation of Compressive ''Cone …

A numerical model of ice crushing using a foam analogue

A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies. These include the presence and evolution of high-pressure and low-pressure zones, the rapid removal of ice through melting, and the transformation of relatively intact ice (high-pressure zone material) to low-pressure pulverized …

A numerical model of ice crushing using a foam analogue

Abstract A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies. These include the presence and evolution of high-pressure and low-pressure zones, the rapid removal of ice through melting, and the transformation of relatively intact ice (high-pressure zone material) to low-pressure …

NUMERICAL SIMULATION OF ICE MILLING LOADS ON …

model ice in the simulation. To simulate material properties of ice, an elastoplastic softening constitutive law is developed. Both crushing and fracture failures are included in the ice-propeller milling process. The ice loads in 6 Dofs acting on blades of …

A Simulation of Non-Simultaneous Ice Crushing …

2019-7-7 · When the offshore wind energy industry attempts to develop in cold regions, ice load becomes the main technological challenge for offshore wind turbine foundation design. Dynamic ice loads acting on wind turbine …

A numerical model for ice crushing on concave surfaces

2011-3-1 · A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies. These include the presence and evolution of high ...

a numerical model of ice crushing using a foam

A numerical model for ice crushing on concave surfaces . A numerical model for compressive coneshaped ice tests was developed using LSDYNA ®. • A crushable foam with failure criteria was adopted to simulate a spalling event. • Evaluation of scalability up to 2.5 times larger size was performed. • The numerical model was verified from the ...

Simulation of Compressive ''Cone-Shaped'' Ice Specimen …

Abstract and Figures. A laboratory scale compressive cone-shaped ice experiments were performed, and a numerical simulation model using LS-DYNA ® was developed. Modified material properties were ...

Vignesh-S-P/Numerical-Simulation-Melting-of-Ice-using …

The simulation is carried out in OpenFOAM v1906 using the solver chtMultiRegionFoam and the phase change is handled by solidficationMeltingSource source term. The geometry is a 2-D pipe and the flow is laminar and transient. The volume fraction of melting water is obtained from the simulation and is analyzed.

Evaluation of a numerical model of the British–Irish ice …

This study extends these previous analyses by using output from a numerical glaciological model as input to a GIA model. This is a necessary step towards more realistic GIA models, and although there have been similar studies for the major late Pleistocene ice sheets, this is the first study to do so for the British Isles.

a numerical model of ice crushing using a foam search …

A numerical model of ice crushing using a foam analogue . 31/03/2011 A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies These include the presence and evolution of highpressure and lowpressure zones, the rapid removal of ice through melting, and the transformation of relatively intact ice …

A numerical model for ice crushing on concave surfaces

Abstract Laboratory scale cone-shaped ice compressive tests were performed, and a corresponding numerical simulation model using LS-DYNA® was conducted. The numerical ice material model was based on a crushable foam model (MAT 63) with modified material properties applied. To simulate the saw tooth load–displacement pattern, which is commonly observed in …

A Spectral Model for Forces Due to Ice Crushing

A Spectral Model for Forces Due to Ice Crushing ... 177. numerical model for dynamic ice-structure interaction. Computers and Structures 72(1999) 645-658. [34] Kamesaki, K., Yamauchi, Y and Kärnä, T. (1996) Ice force [17] Shkhinek, K, Kärnä, T., Kapustiansky, S. Jilenkov,A. as a function of structural compliance. ...

Modeling of Ice Accretion over Aircraft Wings …

A method to simulate ice accretion on an aircraft wing using a three-dimensional compressible Navier-Stokes solver, a Eulerian droplet flow field model, a mesh morphing model, and a thermodynamic model, is presented in this paper. The …

A numerical model for water and heat transport in …

2016-9-9 · A one-dimensional numerical model of heat and water transport in freezing soils is developed by assuming that ice-water interfaces are not necessarily in equilibrium. The Clapeyron equation, which is derived from a static ice-water interface using the thermal equilibrium theory, cannot be readily applied to a dynamic system, such as freezing soils.

A numerical model for ice crushing on concave surfaces

2015-9-15 · A numerical model for compressive cone-shaped ice tests was developed using LS-DYNA ®. •. A crushable foam with failure criteria was adopted to simulate a spalling event. •. Evaluation of scalability up to 2.5 times larger size was performed. •. The numerical model was verified from the viewpoint of global load and local load.

A numerical analysis on void crushing during side ...

A numerical analysis on void crushing during side compression of round bar by flat dies. Large size stainless steel forgings have begun to be used for the core internals of advanced light water reactors (ALWRs) and for replacement core internals of existing LWRs because of lower stress corrosion cracking susceptibility and higher reliability ...

A numerical model for ice crushing on concave surfaces

2015-9-15 · Laboratory scale cone-shaped ice compressive tests were performed, and a corresponding numerical simulation model using LS-DYNA ® was conducted. The numerical ice material model was based on a crushable foam model (MAT 63) with modified material properties applied. To simulate the saw tooth load–displacement pattern, which is commonly ...

Numerical modelling of a full scale ice event

2010-6-14 · First (a) and third (b) eigenmodes of dynamic Norströmsgrund lighthouse finite. element model. 3. Full scale ice event. A time interval …

a numerical model of ice crushing using a foam

a numerical model of ice crushing using a foam. A numerical model of ice crushing using a foam analogue By R E Gagnon Cite BibTex Full citation Abstract A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies These include the presence and evolution of highpressure and …

Numerical Study of the Interaction between Level Ice and …

2019-12-1 · In this paper, the interaction between level ice and wind turbine tower is simulated by the explicit nonlinear code LS-DYNA. The isotropic elasto-plastic material model is used for the level ice, in which ice crushing failure is considered. The effects of ice mesh size and ice failure strain on ice forces are investigated. The results indicate that these parameters have a …

Numerical Simulation of Crushing and Bending Failure of …

2015-5-31 · Abstract. The primary objective of this investigation is to simulate bending and crushing failure of sea ice in a local scale using Smoothed Particle Hydrodynamics (SPH), which being a mesh free ...

A Numerical Model For Ice Crushing On Concave

The numerical ice material model was based on a crushable foam model (MAT 63) with modified material properties applied. To simulate the saw tooth load–displacement pattern, which is commonly observed in experiments in ice, an additional function of ''maximum principal stress'' failure criteria was

Numerical Modelling of Ice Rubble Interactions Using …

2021-10-11 · The numerical model was validated against the physical tests conducted by C-CORE under the Pipeline Ice Risk Assessment and Mitigation (PIRAM) Joint Industry Project. Accurate representation of ice block geometries and sizes distributions was achieved using clumped particles, rather than the traditional DEM spheres.

A Numerical Study on the Influence of Coordination …

2022-7-16 · The proposed criterion is then embedded in a population balance model in DEM. The oedometer tests with three different grain sizes are simulated using the proposed criterion. In order to avoid the unrealistic mechanical response and reduce the energy accumulation in the particle spawning, a new numerical procedure is adopted in the simulations.

Finite element analysis of ship-ice collision using LS-DYNA

This thesis defines a procedure for evaluating an "IACS Polar Class" ship under ice impacts using LS-DYNA, an explicit finite element analysis tool. The final product includes a numerical model that is capable of evaluating the global motions of the ship and ice, the ship-ice contact force, and the local structural response of the ship.

Spallation-based numerical simulations of ice-induced …

2022-2-1 · A full-scale 3D numerical simulation model of ice-induced vibration of structures has been developed (using LS-Dyna™) and applied to the Molikpaq facility for an ice-encroachment event similar to that which occurred on May 12, 1986 in the Beaufort Sea. The bulk ice sheet used for the simulations had elastic properties, and its dimensions were ...

A micro‐macromechanical compression model of crushing …

2020-12-27 · This paper presents a micro and macromechanical model to estimate the grading evolution and plastic strain caused by particle crushing in the isotropic compression of granular materials. A joint-probability particle crushing criterion of the maximum contact force and the particle strength is proposed to calculate the incremental particle ...

Numerical rendition of ice crushing

2021-12-6 · A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies. These include the presence and evolution of high-pressure and low-pressure zones, the rapid removal of ice through melting, and the transformation of relatively intact ice (high-pressure zone material ...

A numerical model of ice crushing using a foam analogue

2011-3-1 · Abstract. A numerical model for ice crushing has been constructed that takes into account the physical processes identified in many experimental studies. These include the presence and evolution of high-pressure and low-pressure zones, the rapid removal of ice through melting, and the transformation of relatively intact ice (high-pressure zone ...

A Plasticity Model for the Crushing of Ice | SpringerLink

A plasticity formulation is used to develop a material model for ductile ice crushing. The model includes rate and pressure sensitivity, strain softening, and dependence on volumetric deformations. A nonassociated flow rule is adopted for the plastic potential. A relationship is then proposed which relates the plastic potential to the yield ...

A Spectral Model for Forces Due to Ice Crushing

2006-9-14 · This paper presents a model of dynamic ice forces on vertical offshore structures. The model concerns a loading scenario where a competent ice sheet is drifting and crushing against the structure. Full scale data obtained on two offshore structures were used in the derivation of a method that applies both to narrow and wide structures. A large amount of …

Numerical simulation of the crushing of foam-filled …

Numerical simulation of the crushing of foam-filled aluminium tubes. / Durif, Emilien; Yan, Wenyi; Yamada, Yasuyuki; Wen, Cui''e.. In: Key Engineering Materials, Vol. 334-335, 2007, p. 629 - 632. Research output: Contribution to journal › Article › Research › peer-review: Contribution to journal › Article › Research › peer-review