Simulation Analysis of Volcanic Eruption by the Modified Distinct Element Method.

Yamamoto, Tadashi; Hakuno, Motohiko

doi:10.4294/jpe1952.39.441

J,Phys,Earth

1991

DOI: 10.4294/jpe1952.39.441

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Simulation Analysis of Volcanic Eruption by the Modified Distinct Element Method.

Tadashi Yamamoto¹,

Motohiko Hakuno

Abstract: The modified distinct element method (MDEM), an improvement of the distinct element method which analyzes discontinua only, was used in a simulation analysis of the process by which magma rises from its subterraneam core and erupts.

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1994

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Powder assembly simulation by particle dynamics method

Lian

Shima

1994

Numerical Meth Engineering

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SUMMARYThe aim of the present study is to show that the developed particle dynamics method is able to describe important characteristics of powder assemblies. In the method, the interaction forces that are introduced between the particles are electrostatic attractive forces and elastic repulsive forces. Energy dissipation by friction at contact surfaces and damping during cohesive collision were also considered. Several numerical experiments on the angle of repose, packing and compaction are carried out. The initial position and the size of the particles are randomly distributed based on the Monte-Carlo method. The simulation results show that the method can be used to evaluate the effect of particle characteristics on flowability of powder assemblies.

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Powder assembly simulation by particle dynamics method

Lian

Shima

1994

Numerical Meth Engineering

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show abstract

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Simulation Analysis of Volcanic Eruption by the Modified Distinct Element Method.

Abstract: The modified distinct element method (MDEM), an improvement of the distinct element method which analyzes discontinua only, was used in a simulation analysis of the process by which magma rises from its subterraneam core and erupts.

Cited by 1 publication

References 3 publications

Powder assembly simulation by particle dynamics method

Powder assembly simulation by particle dynamics method

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