Rahix
2df8b914d2
We have 4 springs, so the effective spring constant is 4 times higher. Reflect this in the calculations and adjust the CAD model for the updated spring length.
75 lines
1.6 KiB
Plaintext
75 lines
1.6 KiB
Plaintext
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"name": "stdout",
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"text": [
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"Length: 143.2 mm\n",
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"Freq: 2.822 Hz\n"
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]
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}
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],
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"source": [
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"import math\n",
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"\n",
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"# Parameters\n",
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"spring_constant_n_mm = 1.1 * 4\n",
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"spring_length_resting_mm = 112\n",
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"\n",
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"def spring_length_at(weight):\n",
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" return weight * 9.81 / spring_constant_n_mm + spring_length_resting_mm\n",
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"\n",
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"def resonant_freq_at(weight):\n",
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" return 1 / (2 * math.pi) * math.sqrt(spring_constant_n_mm * 1000 / weight)\n",
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"\n",
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"# Environment\n",
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"weight_total_kg = 14\n",
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"\n",
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"print(f\"Length: {spring_length_at(weight_total_kg):.1f} mm\")\n",
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"print(f\"Freq: {resonant_freq_at(weight_total_kg):.3f} Hz\")"
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]
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},
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