Harmonically Induced Shape Morphing of Bistable Buckled Beam with Static Bias
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866915215662120960 |
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| author | Hasan, Md Nahid Paul, Sharat Greenwood, Taylor E. Parker, Robert G. Kong, Yong Lin Wang, Pai |
| author_facet | Hasan, Md Nahid Paul, Sharat Greenwood, Taylor E. Parker, Robert G. Kong, Yong Lin Wang, Pai |
| contents | We investigate the effect of a constant static bias force on the dynamically induced shape morphing of a pre-buckled bistable beam, focusing on the beam's ability to change its vibration to be near different stable states under harmonic excitation. Our study explores four categories of oscillatory motions: switching, reverting, vacillating, and intra-well in the parameter space. We aim to achieve transitions between stable states of the pre-buckled bistable beam with minimal excitation amplitude. Our findings demonstrate the synergistic effects between dynamic excitation and static bias force, showing a broadening of the non-fractal region for switching behavior (i.e., switching from the first stable state to the second stable state) in the parameter space. This study advances the understanding of the dynamics of key structural components for multi-stable mechanical metamaterials, offering new possibilities for novel designs in adaptive applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_18942 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Harmonically Induced Shape Morphing of Bistable Buckled Beam with Static Bias Hasan, Md Nahid Paul, Sharat Greenwood, Taylor E. Parker, Robert G. Kong, Yong Lin Wang, Pai Chaotic Dynamics We investigate the effect of a constant static bias force on the dynamically induced shape morphing of a pre-buckled bistable beam, focusing on the beam's ability to change its vibration to be near different stable states under harmonic excitation. Our study explores four categories of oscillatory motions: switching, reverting, vacillating, and intra-well in the parameter space. We aim to achieve transitions between stable states of the pre-buckled bistable beam with minimal excitation amplitude. Our findings demonstrate the synergistic effects between dynamic excitation and static bias force, showing a broadening of the non-fractal region for switching behavior (i.e., switching from the first stable state to the second stable state) in the parameter space. This study advances the understanding of the dynamics of key structural components for multi-stable mechanical metamaterials, offering new possibilities for novel designs in adaptive applications. |
| title | Harmonically Induced Shape Morphing of Bistable Buckled Beam with Static Bias |
| topic | Chaotic Dynamics |
| url | https://arxiv.org/abs/2409.18942 |