{"id":{"repo_id":"wichita-thes","oai_identifier":"oai:soar.wichita.edu:10057/732"},"canonical_url":"https://search.dev.ndltd.org/etd/wichita-thes/oai:soar.wichita.edu:10057/732","repository":{"repo_id":"wichita-thes","name":"Wichita State University","base_url":"https://soar.wichita.edu/oai/request"},"display":{"title":"Analytical modeling of metallic honeycomb for energy absorption and validation with FEA","abstract":"Honeycomb materials possess high energy absorption characteristics and are useful for the impact protection of structural members. Various honeycomb configurations are being developed for a variety of applications. Analytical models are now available to determine the energy absorption characteristics of the regular hexagonal type of honeycomb. However, the development a parameterized analytical model that can determine the energy absorption characteristics of various honeycomb shapes is needed. In this research, a parameterized analytical model is developed for the typical honeycomb shape, and is validated using experimental and finite element analysis. Honeycomb materials exhibit strain-rate effects at impact velocities. They can have higher energy absorption during dynamic crush than during quasi-static crush. In order to determine the energy absorption of honeycomb material at higher velocity, the characterization of it must be made using high-impact testing machines, which are expensive and time-consuming. Therefore, development of an analytical model that can predict energy absorption at higher velocities is needed. Also, strain-rate coefficients must be determined for each particular type of honeycomb since the strain rate depends on the geometrical properties of the honeycomb. Therefore, strain-rate coefficients were developed for each honeycomb model in this research. The energy absorption of honeycombs at higher impact velocities was also determined using the low-velocity test, which will be useful when only low-velocity machines are available for testing honeycombs. Finally, a performance analysis was carried out using response surface methods to maximize energy absorption of the honeycomb.","abstract_html":"Honeycomb materials possess high energy absorption characteristics and are useful for the impact protection of structural members. Various honeycomb configurations are being developed for a variety of applications. Analytical models are now available to determine the energy absorption characteristics of the regular hexagonal type of honeycomb. However, the development a parameterized analytical model that can determine the energy absorption characteristics of various honeycomb shapes is needed. In this research, a parameterized analytical model is developed for the typical honeycomb shape, and is validated using experimental and finite element analysis. Honeycomb materials exhibit strain-rate effects at impact velocities. They can have higher energy absorption during dynamic crush than during quasi-static crush. In order to determine the energy absorption of honeycomb material at higher velocity, the characterization of it must be made using high-impact testing machines, which are expensive and time-consuming. Therefore, development of an analytical model that can predict energy absorption at higher velocities is needed. Also, strain-rate coefficients must be determined for each particular type of honeycomb since the strain rate depends on the geometrical properties of the honeycomb. Therefore, strain-rate coefficients were developed for each honeycomb model in this research. The energy absorption of honeycombs at higher impact velocities was also determined using the low-velocity test, which will be useful when only low-velocity machines are available for testing honeycombs. Finally, a performance analysis was carried out using response surface methods to maximize energy absorption of the honeycomb.","abstract_has_math":false,"creators":["Jeyasingh, Vinoj Meshach Aaron"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005-05","date_published":"2005-05","updated_at":"2026-07-24T06:06:11Z","subjects":[],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10057/732"],"render_values":[{"text":"hdl:10057/732","href":null,"code":true}]}]},"links":{"outbound_url":null,"outbound_label":null,"outbound_source":null},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2005-05"]},{"key":"dc:type","label":"Dc Type","values":["Dissertation"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["hdl:10057/732"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["Honeycomb materials possess high energy absorption characteristics and are useful for the impact protection of structural members. Various honeycomb configurations are being developed for a variety of applications. Analytical models are now available to determine the energy absorption characteristics of the regular hexagonal type of honeycomb. However, the development a parameterized analytical model that can determine the energy absorption characteristics of various honeycomb shapes is needed. In this research, a parameterized analytical model is developed for the typical honeycomb shape, and is validated using experimental and finite element analysis. Honeycomb materials exhibit strain-rate effects at impact velocities. They can have higher energy absorption during dynamic crush than during quasi-static crush. In order to determine the energy absorption of honeycomb material at higher velocity, the characterization of it must be made using high-impact testing machines, which are expensive and time-consuming. Therefore, development of an analytical model that can predict energy absorption at higher velocities is needed. Also, strain-rate coefficients must be determined for each particular type of honeycomb since the strain rate depends on the geometrical properties of the honeycomb. Therefore, strain-rate coefficients were developed for each honeycomb model in this research. The energy absorption of honeycombs at higher impact velocities was also determined using the low-velocity test, which will be useful when only low-velocity machines are available for testing honeycombs. Finally, a performance analysis was carried out using response surface methods to maximize energy absorption of the honeycomb."]},{"key":"dc:title","label":"Title","values":["Analytical modeling of metallic honeycomb for energy absorption and validation with FEA"]}]}],"canonical_facts":{"dc:date.issued":["2005-05"],"dc:description.other":["Honeycomb materials possess high energy absorption characteristics and are useful for the impact protection of structural members. Various honeycomb configurations are being developed for a variety of applications. Analytical models are now available to determine the energy absorption characteristics of the regular hexagonal type of honeycomb. However, the development a parameterized analytical model that can determine the energy absorption characteristics of various honeycomb shapes is needed. In this research, a parameterized analytical model is developed for the typical honeycomb shape, and is validated using experimental and finite element analysis. Honeycomb materials exhibit strain-rate effects at impact velocities. They can have higher energy absorption during dynamic crush than during quasi-static crush. In order to determine the energy absorption of honeycomb material at higher velocity, the characterization of it must be made using high-impact testing machines, which are expensive and time-consuming. Therefore, development of an analytical model that can predict energy absorption at higher velocities is needed. Also, strain-rate coefficients must be determined for each particular type of honeycomb since the strain rate depends on the geometrical properties of the honeycomb. Therefore, strain-rate coefficients were developed for each honeycomb model in this research. The energy absorption of honeycombs at higher impact velocities was also determined using the low-velocity test, which will be useful when only low-velocity machines are available for testing honeycombs. Finally, a performance analysis was carried out using response surface methods to maximize energy absorption of the honeycomb."],"dc:identifier":["hdl:10057/732"],"dc:title":["Analytical modeling of metallic honeycomb for energy absorption and validation with FEA"],"dc:type":["Dissertation"]},"updated_at":"2026-07-24T06:06:11Z"}