PARTICLE BEHAVIOR SIMULATION DEVICE, PARTICLE BEHAVIOR SIMULATION METHOD, CONTROL PROGRAM AND RECORDING MEDIUM
PROBLEM TO BE SOLVED: To realize particle behavior simulation for shortening a time to calculate the behaviors of a plurality of particles by using a discrete element method under the consideration of the influence of an adhesive force.SOLUTION: A particle behavior simulation device 10 includes: a c...
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| creator | TANAKA TOSHITSUGU KOBAYASHI TOMONARI SHIMADA NAOKI |
| description | PROBLEM TO BE SOLVED: To realize particle behavior simulation for shortening a time to calculate the behaviors of a plurality of particles by using a discrete element method under the consideration of the influence of an adhesive force.SOLUTION: A particle behavior simulation device 10 includes: a contact force specification unit 13 for, when defining a spring constant in the case of expressing a contact force working on particles when the particles are brought into contact with each other with a spring model as kr and the adhesive force of the mutual particles as Far, calculating a corrected contact force based on the spring model by using a correction spring constant kd which is smaller than the spring constant kr; and a behavior calculation unit 12 for calculating the behaviors of the plurality of particles by a discrete element method by using the corrected contact force as a contact force, and by using a corrected adhesive force Fad whose value is made smaller than the adhesive force Far in accordance with the rate of the spring constant kr to the corrected spring constant kd as an adhesive force. |
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and a behavior calculation unit 12 for calculating the behaviors of the plurality of particles by a discrete element method by using the corrected contact force as a contact force, and by using a corrected adhesive force Fad whose value is made smaller than the adhesive force Far in accordance with the rate of the spring constant kr to the corrected spring constant kd as an adhesive force.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MEASURING ; PHYSICS ; TESTING</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120621&DB=EPODOC&CC=JP&NR=2012118579A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120621&DB=EPODOC&CC=JP&NR=2012118579A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANAKA TOSHITSUGU</creatorcontrib><creatorcontrib>KOBAYASHI TOMONARI</creatorcontrib><creatorcontrib>SHIMADA NAOKI</creatorcontrib><title>PARTICLE BEHAVIOR SIMULATION DEVICE, PARTICLE BEHAVIOR SIMULATION METHOD, CONTROL PROGRAM AND RECORDING MEDIUM</title><description>PROBLEM TO BE SOLVED: To realize particle behavior simulation for shortening a time to calculate the behaviors of a plurality of particles by using a discrete element method under the consideration of the influence of an adhesive force.SOLUTION: A particle behavior simulation device 10 includes: a contact force specification unit 13 for, when defining a spring constant in the case of expressing a contact force working on particles when the particles are brought into contact with each other with a spring model as kr and the adhesive force of the mutual particles as Far, calculating a corrected contact force based on the spring model by using a correction spring constant kd which is smaller than the spring constant kr; 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KOBAYASHI TOMONARI ; SHIMADA NAOKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2012118579A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>TANAKA TOSHITSUGU</creatorcontrib><creatorcontrib>KOBAYASHI TOMONARI</creatorcontrib><creatorcontrib>SHIMADA NAOKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TANAKA TOSHITSUGU</au><au>KOBAYASHI TOMONARI</au><au>SHIMADA NAOKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PARTICLE BEHAVIOR SIMULATION DEVICE, PARTICLE BEHAVIOR SIMULATION METHOD, CONTROL PROGRAM AND RECORDING MEDIUM</title><date>2012-06-21</date><risdate>2012</risdate><abstract>PROBLEM TO BE SOLVED: To realize particle behavior simulation for shortening a time to calculate the behaviors of a plurality of particles by using a discrete element method under the consideration of the influence of an adhesive force.SOLUTION: A particle behavior simulation device 10 includes: a contact force specification unit 13 for, when defining a spring constant in the case of expressing a contact force working on particles when the particles are brought into contact with each other with a spring model as kr and the adhesive force of the mutual particles as Far, calculating a corrected contact force based on the spring model by using a correction spring constant kd which is smaller than the spring constant kr; and a behavior calculation unit 12 for calculating the behaviors of the plurality of particles by a discrete element method by using the corrected contact force as a contact force, and by using a corrected adhesive force Fad whose value is made smaller than the adhesive force Far in accordance with the rate of the spring constant kr to the corrected spring constant kd as an adhesive force.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | PARTICLE BEHAVIOR SIMULATION DEVICE, PARTICLE BEHAVIOR SIMULATION METHOD, CONTROL PROGRAM AND RECORDING MEDIUM |
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