{"id":"https://openalex.org/W7214207192","doi":"https://doi.org/10.48550/arxiv.2609.28426","title":"Shape matters: DEM investigation of geometry-controlled mechanical response in irregular rock fragments under static and dynamic loading","display_name":"Shape matters: DEM investigation of geometry-controlled mechanical response in irregular rock fragments under static and dynamic loading","publication_year":2026,"publication_date":"2026-09-23","ids":{"openalex":"https://openalex.org/W7214207192","doi":"https://doi.org/10.48550/arxiv.2609.28426"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.28426","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.28426","pdf_url":"https://arxiv.org/pdf/2609.28426","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.28426","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5152584374","display_name":"Athena Bahramiyarahmadi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Bahramiyarahmadi, Athena","raw_affiliation_strings":["University of Alberta , Edmonton , Alberta , Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Alberta , Edmonton , Alberta , Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5146362158","display_name":"Rick Chalaturnyk","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Chalaturnyk, Rick","raw_affiliation_strings":["University of Alberta , Edmonton , Alberta , Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Alberta , Edmonton , Alberta , Canada","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10233","display_name":"Geotechnical Engineering and Soil Mechanics","score":0.0010999999940395355,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10514","display_name":"Numerical methods in engineering","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/mechanical-characterization","display_name":"mechanical characterization","score":0.46700000762939453},{"id":"https://openalex.org/keywords/drill-cuttings","display_name":"drill cuttings","score":0.8960000276565552},{"id":"https://openalex.org/keywords/siltstone","display_name":"siltstone","score":0.7960000038146973},{"id":"https://openalex.org/keywords/brazilian-disc-test","display_name":"Brazilian disc test","score":0.6970000267028809},{"id":"https://openalex.org/keywords/dynamic-loading","display_name":"dynamic loading","score":0.6690000295639038},{"id":"https://openalex.org/keywords/failure-force","display_name":"failure force","score":0.6470000147819519},{"id":"https://openalex.org/keywords/stiffness","display_name":"stiffness","score":0.7480000257492065},{"id":"https://openalex.org/keywords/surface-to-volume-ratio","display_name":"surface-to-volume ratio","score":0.9700000286102295},{"id":"https://openalex.org/keywords/shape-features","display_name":"shape features","score":0.6169999837875366},{"id":"https://openalex.org/keywords/unconventional-reservoirs","display_name":"unconventional reservoirs","score":0.5479999780654907}],"concepts":[{"id":"https://openalex.org/C2776639496","wikidata":"https://www.wikidata.org/wiki/Q3502426","display_name":"Dynamic loading","level":2,"score":0.6377000212669373},{"id":"https://openalex.org/C2779372316","wikidata":"https://www.wikidata.org/wiki/Q569057","display_name":"Stiffness","level":2,"score":0.6154000163078308},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6068999767303467},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.5540000200271606},{"id":"https://openalex.org/C173736775","wikidata":"https://www.wikidata.org/wiki/Q58964","display_name":"Drill","level":2,"score":0.5382999777793884},{"id":"https://openalex.org/C2164484","wikidata":"https://www.wikidata.org/wiki/Q5170150","display_name":"Core (optical fiber)","level":2,"score":0.5044000148773193},{"id":"https://openalex.org/C171872576","wikidata":"https://www.wikidata.org/wiki/Q902783","display_name":"Discrete element method","level":2,"score":0.45339998602867126},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.4440000057220459},{"id":"https://openalex.org/C12839126","wikidata":"https://www.wikidata.org/wiki/Q5318989","display_name":"Dynamic load testing","level":2,"score":0.4011000096797943},{"id":"https://openalex.org/C97842125","wikidata":"https://www.wikidata.org/wiki/Q1191291","display_name":"Rock mechanics","level":2,"score":0.3828999996185303},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.37610000371932983},{"id":"https://openalex.org/C4708273","wikidata":"https://www.wikidata.org/wiki/Q900222","display_name":"Quasistatic process","level":2,"score":0.37119999527931213},{"id":"https://openalex.org/C2778383842","wikidata":"https://www.wikidata.org/wiki/Q815284","display_name":"Mechanical load","level":2,"score":0.334199994802475},{"id":"https://openalex.org/C66283442","wikidata":"https://www.wikidata.org/wiki/Q1389268","display_name":"Failure mode and effects analysis","level":2,"score":0.32170000672340393},{"id":"https://openalex.org/C63584917","wikidata":"https://www.wikidata.org/wiki/Q333286","display_name":"Bounding overwatch","level":2,"score":0.31869998574256897},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.31709998846054077},{"id":"https://openalex.org/C200026651","wikidata":"https://www.wikidata.org/wiki/Q7269532","display_name":"Quasistatic loading","level":2,"score":0.30799999833106995},{"id":"https://openalex.org/C2778969670","wikidata":"https://www.wikidata.org/wiki/Q7880284","display_name":"Ultimate failure","level":3,"score":0.2994000017642975},{"id":"https://openalex.org/C2780966255","wikidata":"https://www.wikidata.org/wiki/Q5474306","display_name":"Foundation (evidence)","level":2,"score":0.2978000044822693},{"id":"https://openalex.org/C2992960596","wikidata":"https://www.wikidata.org/wiki/Q502102","display_name":"Drill hole","level":3,"score":0.2955000102519989},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2953999936580658},{"id":"https://openalex.org/C203311528","wikidata":"https://www.wikidata.org/wiki/Q34132","display_name":"Cylinder","level":2,"score":0.2912999987602234},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.27790001034736633},{"id":"https://openalex.org/C121854251","wikidata":"https://www.wikidata.org/wiki/Q62932","display_name":"Elasticity (physics)","level":2,"score":0.2750000059604645},{"id":"https://openalex.org/C187359657","wikidata":"https://www.wikidata.org/wiki/Q565731","display_name":"Siltstone","level":4,"score":0.2646999955177307},{"id":"https://openalex.org/C2776353801","wikidata":"https://www.wikidata.org/wiki/Q7315960","display_name":"Response analysis","level":2,"score":0.26249998807907104},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.26159998774528503},{"id":"https://openalex.org/C31555180","wikidata":"https://www.wikidata.org/wiki/Q3523867","display_name":"Material properties","level":2,"score":0.2535000145435333},{"id":"https://openalex.org/C57879066","wikidata":"https://www.wikidata.org/wiki/Q41217","display_name":"Mechanics","level":1,"score":0.25040000677108765}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.28426","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.28426","pdf_url":"https://arxiv.org/pdf/2609.28426","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.28426","doi":"https://doi.org/10.48550/arxiv.2609.28426","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.28426","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.28426","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.28426","pdf_url":"https://arxiv.org/pdf/2609.28426","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320319946","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27"},{"id":"https://openalex.org/F4320331257","display_name":"Alliance de recherche num\u00e9rique du Canada","ror":"https://ror.org/010r6td27"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214207192.pdf","grobid_xml":"https://content.openalex.org/works/W7214207192.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4256408281","https://openalex.org/W4385497196","https://openalex.org/W4361856371","https://openalex.org/W7100639793","https://openalex.org/W2001566932","https://openalex.org/W1588732817","https://openalex.org/W7161777056","https://openalex.org/W4253354037","https://openalex.org/W2503255511","https://openalex.org/W4361217376"],"abstract_inverted_index":{"Mechanical":[0],"characterization":[1],"of":[2,53,92],"subsurface":[3],"rock":[4,47,171],"formations":[5],"typically":[6],"requires":[7],"standardized":[8,175],"cylindrical":[9],"core":[10,176],"specimens,":[11],"which":[12,49],"are":[13,50,117,138],"often":[14],"unavailable":[15],"from":[16,169],"fractured":[17],"or":[18],"unconventional":[19],"reservoir":[20],"sequences.":[21],"This":[22],"study":[23],"uses":[24],"a":[25,70,161,174],"Discrete":[26],"Element":[27],"Method":[28],"(DEM)":[29],"framework":[30,164],"calibrated":[31],"to":[32,37,69],"Sulphur":[33],"Mountain":[34],"Formation":[35],"siltstone":[36],"investigate":[38],"how":[39],"fragment":[40],"geometry":[41],"governs":[42],"mechanical":[43,90,167],"response":[44],"in":[45],"irregular":[46,61,170],"particles,":[48],"direct":[51],"analogues":[52],"drill":[54],"cuttings.":[55],"Nineteen":[56],"specimens":[57],"(18":[58],"procedurally":[59],"generated":[60],"geometries":[62],"and":[63,81,102,136,149],"one":[64],"reference":[65],"Brazilian":[66],"disk),":[67],"normalized":[68],"10":[71],"mm":[72],"bounding":[73],"sphere":[74],"radius,":[75],"were":[76,105],"tested":[77],"under":[78,125],"quasi-static":[79],"(Brazilian-type)":[80],"dynamic":[82],"(Short":[83],"Impact":[84],"Load":[85],"Cell)":[86],"loading":[87,127,142],"modes.":[88],"Four":[89],"outputs":[91],"failure":[93,147],"force":[94,148],"(Ff),":[95],"apparent":[96,99],"strength":[97],"(\u03c3f),":[98],"stiffness":[100,103],"(Ka),":[101],"(E)":[104],"regressed":[106],"against":[107],"seven":[108],"retained":[109],"shape":[110],"descriptors.":[111],"Results":[112],"show":[113],"that":[114],"force-based":[115],"quantities":[116,134],"strongly":[118],"controlled":[119],"by":[120],"the":[121],"surface-area-to-volume":[122],"(SA/V)":[123],"ratio":[124],"static":[126],"(Adj.":[128],"R2":[129],"=":[130],"0.69),":[131],"while":[132],"area-normalized":[133],"(\u03c3f":[135],"E)":[137],"geometrically":[139],"insensitive.":[140],"Dynamic":[141],"amplifies":[143],"geometric":[144],"sensitivity":[145],"for":[146,154,165],"introduces":[150],"an":[151],"independent":[152],"role":[153],"surface":[155],"concavity":[156],"depth.":[157],"These":[158],"findings":[159],"establish":[160],"preliminary":[162],"quantitative":[163],"interpreting":[166],"measurements":[168],"fragments":[172],"when":[173],"is":[177],"unavailable.":[178]},"counts_by_year":[],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2026-09-25T00:00:00"}
