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74 lines
1.8 KiB
74 lines
1.8 KiB
3 years ago
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import sys
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import json
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import pathlib
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import copy
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import math
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import itertools
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import numpy
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import context
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from fixture_utils import save_fixture, get_fixture_dir_path
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# padded_link_thickness (actual thickness: 0.190211)
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link_thickness = 0.2005 # taught
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# link_thickness = 0.201 # loose
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link_height = 1.5
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link_width = 1
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scene = {
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"scene_type": "distance_barrier_rb_problem",
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"solver": "ipc_solver",
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"timestep": 0.01,
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"max_time": 1.0,
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"ipc_solver": {
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"velocity_conv_tol": 0.01,
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"is_velocity_conv_tol_abs": True
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},
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"rigid_body_problem": {
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"gravity": [0, -9.81, 0],
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"rigid_bodies": []
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}
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}
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link = {
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"mesh": "wrecking-ball/link-sub4.obj",
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"position": [0, 0, 0],
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"rotation": [0, 0, 0],
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"density": 7680
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}
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bodies = scene["rigid_body_problem"]["rigid_bodies"]
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bodies.append(copy.deepcopy(link))
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bodies[-1]["rotation"] = [90, 90, 0]
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bodies[-1]["type"] = "static"
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bodies.append(copy.deepcopy(link))
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bodies[-1]["position"] = [link_height - 2 * link_thickness, 0, 0]
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bodies[-1]["rotation"] = [0, 0, 90]
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bodies[-1]["type"] = "static"
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weak_scaling_output_dir = (
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get_fixture_dir_path() / "3D" / "scalability" / "weak")
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weak_scaling_output_dir.mkdir(parents=True, exist_ok=True)
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# Weak scaling
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for i in range(1, 65):
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use_sub4 = True
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# Insert new free link
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bodies.insert(len(bodies) - 1, copy.deepcopy(link))
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bodies[-2]["position"][0] = i * (link_height - 2 * link_thickness)
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bodies[-2]["rotation"] = [0, 0, 90] if i % 2 else [90, 90, 0]
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# Shift over static link
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bodies[-1]["position"][0] += link_height - 2 * link_thickness
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bodies[-1]["rotation"] = [0, 0, 90] if (i + 1) % 2 else [90, 90, 0]
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save_fixture(scene, weak_scaling_output_dir / f"{i:02d}threads.json")
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save_fixture(scene, weak_scaling_output_dir.parent / f"strong.json")
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