Investigation of penetration of non-axisymmetric bodies into the soil with friction
The problem of impact and penetration of rigid conical and pyramidal bodies along the normal to the free surface of a half-space occupied by an elastoplastic medium is considered. The medium is linearly compressible and obeys the Mises-Schleicher plasticity condition. The investigated cone, pyramid...
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| Veröffentlicht in: | Journal of physics. Conference series 2019-02, Vol.1158 (3), p.32025 |
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| creator | Linnik, E Yu Kotov, V L Sayapin, S V Alheddo, Madian |
| description | The problem of impact and penetration of rigid conical and pyramidal bodies along the normal to the free surface of a half-space occupied by an elastoplastic medium is considered. The medium is linearly compressible and obeys the Mises-Schleicher plasticity condition. The investigated cone, pyramid and four-ray star bodies have the same area of the base, the normal to the lateral surface of the bodies makes with the direction of motion a constant angle equal to the angle of the half-solution of the cone. Similarly, bodies of the same height are considered. The results of numerical calculations of the penetration of bodies with constant velocity are given. It is established that the resistance to penetration can be described by a quadratic dependence on the penetration rate in the framework of the two-term Rezal's penetration law. It is noted that the minimum force of resistance to penetration is possessed by a conical striker. The difference in the resistance to penetration for other bodies of the same height is within the error of numerical calculations of 10-20%. |
| doi_str_mv | 10.1088/1742-6596/1158/3/032025 |
| format | Article |
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The medium is linearly compressible and obeys the Mises-Schleicher plasticity condition. The investigated cone, pyramid and four-ray star bodies have the same area of the base, the normal to the lateral surface of the bodies makes with the direction of motion a constant angle equal to the angle of the half-solution of the cone. Similarly, bodies of the same height are considered. The results of numerical calculations of the penetration of bodies with constant velocity are given. It is established that the resistance to penetration can be described by a quadratic dependence on the penetration rate in the framework of the two-term Rezal's penetration law. It is noted that the minimum force of resistance to penetration is possessed by a conical striker. 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Conference series</title><addtitle>J. Phys.: Conf. Ser</addtitle><description>The problem of impact and penetration of rigid conical and pyramidal bodies along the normal to the free surface of a half-space occupied by an elastoplastic medium is considered. The medium is linearly compressible and obeys the Mises-Schleicher plasticity condition. The investigated cone, pyramid and four-ray star bodies have the same area of the base, the normal to the lateral surface of the bodies makes with the direction of motion a constant angle equal to the angle of the half-solution of the cone. Similarly, bodies of the same height are considered. The results of numerical calculations of the penetration of bodies with constant velocity are given. It is established that the resistance to penetration can be described by a quadratic dependence on the penetration rate in the framework of the two-term Rezal's penetration law. 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| subjects | Axisymmetric bodies Compressibility Conical bodies Elastoplasticity Free surfaces Half spaces Mathematical analysis Nonaxisymmetric bodies Numerical analysis Penetration Penetration resistance Pyramidal bodies Soil investigations |
| title | Investigation of penetration of non-axisymmetric bodies into the soil with friction |
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