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Nonlinear Impact Analysis and Performance Prediction of Tennis Racket

Research Project

Project/Area Number 07805025
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Dynamics/Control
Research InstitutionSaitama Institute of Technology

Principal Investigator

KAWAZOE Yoshihiko  Saitama Inst.Tech., Engineering, Professor, 工学部, 教授 (00102898)

Co-Investigator(Kenkyū-buntansha) KANAYA Keiji  Saitama Inst.Tech., Engineering, Professor, 工学部, 教授 (90161166)
巨 東英  埼玉工業大学, 工学部, 講師 (10255143)
Project Period (FY) 1995 – 1996
Project Status Completed (Fiscal Year 1996)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1996: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 1995: ¥1,600,000 (Direct Cost: ¥1,600,000)
KeywordsDynamics of Machinery / Sports Engineering / Tennis Racket / Impact / Restitution Coefficient / Shock / Vibrations / Contact Time
Research Abstract

It is rather difficult to construct a theoretical model of the hand holding a tennis racket upon the interaction of a tennis ball with a racket. The coefficient of restitution during impact is supposed to be related to the main sources of energy loss caused by the collision such as the one due to the impact between a ball and strings, that due to the rotation of the racket and that due to the vibration of the racket frame. This peport investigates the situation of a hand-held racket and the mechanism of impact, providing a simple impact model for estimation of coefficient of restitution of a hand-held racket on the basis of the idea that the contact duration is determined by the natural period of the entire system comprising the mass of a ball, the nonlinear stiffness of ball and strings, and the reduced mass of racket at the impact point on the string face. By applying the derived impact force and contact time to the experimentally identified vibration model of a hand-held racket, the vibration of racket during impact can be predicted. Further, the predicted restitution coefficient of a hand-held racket is compared with that of freely supported racket.

Report

(3 results)
  • 1996 Annual Research Report   Final Research Report Summary
  • 1995 Annual Research Report
  • Research Products

    (19 results)

All Other

All Publications (19 results)

  • [Publications] Yoshihiko KAWAZOE: "Analysis of Impact Phenomena in a Tennis Ball-Racket System(Effects of Frame Vibrations and Optimum Racket Desigen)" JSME International Journal. 40. 9-16 (1997)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Yoshihiko KAWAZOE: "Effect of Racket Physical Properties on the Impact Shock Vibrations of the Wrist and the Elbow in the Tennis Forehand Drive," Abstract Book of 1st Int.Sympo.on TENNIS BIOMECHANICS(Milano,Italy),. 11-11 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 川副嘉彦: "テニスラケットの衝撃・振動吸収特性(実験モード解析に基づく特性評価とインパクトによる残留振動の予測)" 日本機械学会第73期総会講演論文集. 96-1. 353-354 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 川副嘉彦: "テニスのインパクトの謎を解く" 日本機械学会・メカライフ. 44. 28-30 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 川副嘉彦: "テニスのインパクトにおけるラケットのスイ-トエリアの予測(反発係数,反発力,ボールの飛び)" 日本機械学会・機械力学・計測制御講演論文集. 96-5. 497-500 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] 川副嘉彦: "テニスのフォアハンド・ドライブにおけるラケット・ハンドルの衝撃振動のメカニズム" 日本機械学会・機械力学・計測制御講演論文集. 96-5. 501-504 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Yoshihiko KAWAZOE: "Analysis of Impact Phenomena in a Tennis Ball-Racket System (Effects of Frame Vibraions and Optimum Racket Design)" JSME International Journal. Vol.40, No.1. 9-16 (1997)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1996 Final Research Report Summary
  • [Publications] Y.KAWAZOE and Y.KANDA: "Analysis of Impact Phenomena in a Tennis Ball-Racket System (Effects of Frame Vibrations and Optimum Racket Design)" JSME International Journal. Vol.40 No.1. 9-16 (1997)

    • Related Report
      1996 Annual Research Report
  • [Publications] Y.KAWAZOE,R.TOMOSUE,K.YOSHINARI: "Effect of Racket physical Properties on the Impact Shock Vibrations of the Wrist and the Elbow in the Tennis Forehand Drive." Abstract Book of 1st Int.Sympo.on TENNIS BIOMECHANICS (Milano,Italy).11-11 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 川副嘉彦: "テニスラケットの衝撃・振動吸収特性(実験モード解析に基づく特性評価とインパクトによる残留振動の予測)" 日本機械学会第73期総会講演論文集. No.96-1. 353-354 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 川副嘉彦: "テニスのインパクトの謎を解く" 日本機械学会・メカライフ. No.44. 28-30 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 川副嘉彦・友末亮三: "テニスのインパクトにおけるラケットのスイ-トエリアの予測(反発係数,反発力,ボールの飛び)" 日本機械学会・機械力学・計測制御講演論文集. Vol.A No.96-5. 497-500 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 川副嘉彦・友末亮三・吉成啓子: "テニスのフォアハンド・ドライブにおけるラケット・ハンドルの衝撃振動のメカニズム" 日本機械学会・機械力学・計測制御講演論文集. Vol.A No.96-5. 501-504 (1996)

    • Related Report
      1996 Annual Research Report
  • [Publications] 川副嘉彦: "手で支持したテニスラケットの実験的同定とボールとの衝突における振動振幅の予測" 日本機械学会論文集. 第61巻C編. 1300-1307 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 川副嘉彦: "テニスのインパクトにおけるボール・ストリングス・フレームの相互作用" 日本機械学会 機械力学・計測制御講演会講演論文集. No.95-8(1). 191-194 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 川副嘉彦: "テニスのフォアハンド・ドライブにおける手首間接・肘関節の衝撃振動(ラケット特性に基づく加速度実測波形の考察)" スポーツ工学シンポジウム講演論文集. No.95-45. 28-32 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 川副嘉彦: "テニスにおける非線形衝突問題の近似解析(衝突諸量と衝撃反力)" 第8回計算力学講演会講演論文集. No.95-4. 235-236 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] 川副嘉彦: "衝突現象を考慮したテニスラケットの性能予測(総質量および質量分布の異なる超大形サイズ・ラケットの性能比較)" 精密工学会春季大会講演論文集. 879-880 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 川副嘉彦: "衝突現象を考慮したテニスラケットの性能予測(同一質量でサイズの異なるラケットの性能比較)" 精密工学会春季大会講演論文集. 881-882 (1996)

    • Related Report
      1995 Annual Research Report

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Published: 1995-04-01   Modified: 2016-04-21  

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