Analysis of the Influence of the Ramp and Disk Dynamics on the HDI Response of 2.5-in Hard Disk Drive to a Shock
Operational shock (op-shock) analysis has been developed to consider the dynamics of components of a hard disk drive (HDD). Op-shock simulation uses simplified models. However, the dynamics of the components affect the head-disk interface (HDI) response, especially the disk curvature and ramp-disk c...
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| Veröffentlicht in: | IEEE transactions on magnetics 2017-03, Vol.53 (3), p.1-7 |
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| creator | Geonyup Lim Kyoung-Su Park No-Cheol Park Young-Pil Park |
| description | Operational shock (op-shock) analysis has been developed to consider the dynamics of components of a hard disk drive (HDD). Op-shock simulation uses simplified models. However, the dynamics of the components affect the head-disk interface (HDI) response, especially the disk curvature and ramp-disk contact. This paper investigated the effect of the dynamics of HDD components on the HDI response. As the HDD is more sensitive to external shock and vibration, the effects of the dynamics of HDD components need to be considered for accurate op-shock analysis. The ramp-disk contact is an important factor in an op-shock simulation, because ramp-disk contact and disk deformation occur during the shock. Therefore, this op-shock simulation modeled the ramp-disk contact and considered the disk curvature. To obtain an accurate result, a two-way coupled method was used to investigate the HDD dynamic response during op-shock. Using the op-shock model, the fluid-structure coupling effect was investigated and compared with a decoupled model that used linear springs to replace the air bearing. Then, we investigated the effect of the ramp-disk contact and disk curvature on the HDI response during a shock. |
| doi_str_mv | 10.1109/TMAG.2016.2620182 |
| format | Article |
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Op-shock simulation uses simplified models. However, the dynamics of the components affect the head-disk interface (HDI) response, especially the disk curvature and ramp-disk contact. This paper investigated the effect of the dynamics of HDD components on the HDI response. As the HDD is more sensitive to external shock and vibration, the effects of the dynamics of HDD components need to be considered for accurate op-shock analysis. The ramp-disk contact is an important factor in an op-shock simulation, because ramp-disk contact and disk deformation occur during the shock. Therefore, this op-shock simulation modeled the ramp-disk contact and considered the disk curvature. To obtain an accurate result, a two-way coupled method was used to investigate the HDD dynamic response during op-shock. Using the op-shock model, the fluid-structure coupling effect was investigated and compared with a decoupled model that used linear springs to replace the air bearing. Then, we investigated the effect of the ramp-disk contact and disk curvature on the HDI response during a shock.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2016.2620182</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air bearing pressure ; Atmospheric modeling ; Computer simulation ; Curvature ; Deformation ; disk curvature ; Disk drives ; Dynamic response ; Dynamics ; Electric shock ; fluid-structure coupling ; Force ; Gas bearings ; Hard disks ; Head-disc interface ; Magnetism ; Mathematical model ; ramp–disk contact ; Simulation ; slider dynamic analysis ; Springs (elastic) ; Transient analysis ; transient shock analysis</subject><ispartof>IEEE transactions on magnetics, 2017-03, Vol.53 (3), p.1-7</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2017</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7605461$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7605461$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Geonyup Lim</creatorcontrib><creatorcontrib>Kyoung-Su Park</creatorcontrib><creatorcontrib>No-Cheol Park</creatorcontrib><creatorcontrib>Young-Pil Park</creatorcontrib><title>Analysis of the Influence of the Ramp and Disk Dynamics on the HDI Response of 2.5-in Hard Disk Drive to a Shock</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>Operational shock (op-shock) analysis has been developed to consider the dynamics of components of a hard disk drive (HDD). Op-shock simulation uses simplified models. However, the dynamics of the components affect the head-disk interface (HDI) response, especially the disk curvature and ramp-disk contact. This paper investigated the effect of the dynamics of HDD components on the HDI response. As the HDD is more sensitive to external shock and vibration, the effects of the dynamics of HDD components need to be considered for accurate op-shock analysis. The ramp-disk contact is an important factor in an op-shock simulation, because ramp-disk contact and disk deformation occur during the shock. Therefore, this op-shock simulation modeled the ramp-disk contact and considered the disk curvature. To obtain an accurate result, a two-way coupled method was used to investigate the HDD dynamic response during op-shock. Using the op-shock model, the fluid-structure coupling effect was investigated and compared with a decoupled model that used linear springs to replace the air bearing. Then, we investigated the effect of the ramp-disk contact and disk curvature on the HDI response during a shock.</description><subject>Air bearing pressure</subject><subject>Atmospheric modeling</subject><subject>Computer simulation</subject><subject>Curvature</subject><subject>Deformation</subject><subject>disk curvature</subject><subject>Disk drives</subject><subject>Dynamic response</subject><subject>Dynamics</subject><subject>Electric shock</subject><subject>fluid-structure coupling</subject><subject>Force</subject><subject>Gas bearings</subject><subject>Hard disks</subject><subject>Head-disc interface</subject><subject>Magnetism</subject><subject>Mathematical model</subject><subject>ramp–disk contact</subject><subject>Simulation</subject><subject>slider dynamic analysis</subject><subject>Springs (elastic)</subject><subject>Transient analysis</subject><subject>transient shock analysis</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo1j0tLw0AUhQdRsFZ_gLgZcJ04zzudZWntAypCreswyUzo9DGJmVTIvze0dnW4537nwEHomZKUUqLfNh_jecoIhZRBLyN2gwZUC5oQAvoWDUjvJVqAuEcPMe76U0hKBqgeB3Pooo-4KnG7dXgZysPJhcJdjbU51tgEi6c-7vG0C-boix4P5-9iusRrF-sqxHOCpTLxAS9Mcw00_tfhtsIGf22rYv-I7kpziO7pX4foe_a-mSyS1ed8ORmvEs8IbxPLLNNK5bJkTKmSaAArFGjrVM5zLqQ2OWGWFoaOQBAAIQkXShVgtbAjw4fo9dJbN9XPycU221Wnph8bM0aV4JIqJnvq5UJ551xWN_5omi5TQKQAyv8AxoBhkQ</recordid><startdate>20170301</startdate><enddate>20170301</enddate><creator>Geonyup Lim</creator><creator>Kyoung-Su Park</creator><creator>No-Cheol Park</creator><creator>Young-Pil Park</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170301</creationdate><title>Analysis of the Influence of the Ramp and Disk Dynamics on the HDI Response of 2.5-in Hard Disk Drive to a Shock</title><author>Geonyup Lim ; Kyoung-Su Park ; No-Cheol Park ; Young-Pil Park</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i203t-d2d2977b5f2277f0966d4769de7b3b3459ab02d1ca18640664503477c6d94d8a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Air bearing pressure</topic><topic>Atmospheric modeling</topic><topic>Computer simulation</topic><topic>Curvature</topic><topic>Deformation</topic><topic>disk curvature</topic><topic>Disk drives</topic><topic>Dynamic response</topic><topic>Dynamics</topic><topic>Electric shock</topic><topic>fluid-structure coupling</topic><topic>Force</topic><topic>Gas bearings</topic><topic>Hard disks</topic><topic>Head-disc interface</topic><topic>Magnetism</topic><topic>Mathematical model</topic><topic>ramp–disk contact</topic><topic>Simulation</topic><topic>slider dynamic analysis</topic><topic>Springs (elastic)</topic><topic>Transient analysis</topic><topic>transient shock analysis</topic><toplevel>online_resources</toplevel><creatorcontrib>Geonyup Lim</creatorcontrib><creatorcontrib>Kyoung-Su Park</creatorcontrib><creatorcontrib>No-Cheol Park</creatorcontrib><creatorcontrib>Young-Pil Park</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Geonyup Lim</au><au>Kyoung-Su Park</au><au>No-Cheol Park</au><au>Young-Pil Park</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of the Influence of the Ramp and Disk Dynamics on the HDI Response of 2.5-in Hard Disk Drive to a Shock</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2017-03-01</date><risdate>2017</risdate><volume>53</volume><issue>3</issue><spage>1</spage><epage>7</epage><pages>1-7</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>Operational shock (op-shock) analysis has been developed to consider the dynamics of components of a hard disk drive (HDD). Op-shock simulation uses simplified models. However, the dynamics of the components affect the head-disk interface (HDI) response, especially the disk curvature and ramp-disk contact. This paper investigated the effect of the dynamics of HDD components on the HDI response. As the HDD is more sensitive to external shock and vibration, the effects of the dynamics of HDD components need to be considered for accurate op-shock analysis. The ramp-disk contact is an important factor in an op-shock simulation, because ramp-disk contact and disk deformation occur during the shock. Therefore, this op-shock simulation modeled the ramp-disk contact and considered the disk curvature. To obtain an accurate result, a two-way coupled method was used to investigate the HDD dynamic response during op-shock. Using the op-shock model, the fluid-structure coupling effect was investigated and compared with a decoupled model that used linear springs to replace the air bearing. Then, we investigated the effect of the ramp-disk contact and disk curvature on the HDI response during a shock.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2016.2620182</doi><tpages>7</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 2017-03, Vol.53 (3), p.1-7 |
| issn | 0018-9464 1941-0069 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Air bearing pressure Atmospheric modeling Computer simulation Curvature Deformation disk curvature Disk drives Dynamic response Dynamics Electric shock fluid-structure coupling Force Gas bearings Hard disks Head-disc interface Magnetism Mathematical model ramp–disk contact Simulation slider dynamic analysis Springs (elastic) Transient analysis transient shock analysis |
| title | Analysis of the Influence of the Ramp and Disk Dynamics on the HDI Response of 2.5-in Hard Disk Drive to a Shock |
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