fluent鱼儿游动，保存为gif动图，python代码

# -*- coding: utf-8 -*-
"""
Created on Fri Nov 11 18:41:30 2022
fluent鱼儿游动，保存为gif动图
@author: in
"""

import matplotlib
matplotlib.use('Agg') # 只绘图保存，不显示图片，一定要加在import后面
import numpy as np
import matplotlib.pyplot as plt
import imageio
import pandas as pd
from matplotlib.pyplot import MultipleLocator#从pyplot导入MultipleLocator类，这个类用于设置刻度间隔


path = r'D:\20221112fish\move\coordinate.xlsx'
data = pd.DataFrame(pd.read_excel(path))
output_path = r'D:\20221112fish\move\test.gif'#保存gif的路径及名字
print(data.index)#获取行的索引名称
print(data.columns)#获取列的索引名称
x = data['x'].values.tolist()#获取列名为姓名这一列的内容
t = data['t'].values.tolist()#获取列名为姓名这一列的内容
b = data['b'].values.tolist()#获取列名为姓名这一列的内容
m = data['m'].values.tolist()



time = 1.8
step = 0.04
image_list = []
pig = 0
zdfd = 1
def fish(x,t,dt,zdfd):
    k = 2*3.1415926/0.95
    w = 2*3.1415926*1
    return zf*(0.02-0.08*x+0.16*x*x)*((np.sin(k*x-w*t))-(np.sin(k*x-w*(t-dt))))
for td in np.arange(0.01,time,step):
    pig = pig+1
    ty = []
    my = []
    by = []
    for xp in range(0,len(x)):
        dy = fish(x[xp],td,step,zdfd)
        t[xp] = t[xp]+dy
        m[xp] = m[xp]+dy
        b[xp] = b[xp]+dy
    plt.plot(x, t)
    plt.plot(x, b)
    plt.plot(x, m)
    '''设置数据在四周的坐标显示'''
    plt.tick_params(top=True,bottom=True,left=True,right=True)
    plt.tick_params(labeltop=True,labelleft=True,labelright=True,labelbottom=True)
    plt.grid( color = 'black',linestyle='-.',linewidth = 1)#设置网格线
    plt.ylim(-0.3,0.3)#设置y轴的最大值和最小值
#    plt.xlim(-0.5,11)#设置x轴的最大值和最小值
    
#    '''设置x,y轴的间隔'''
#    x_major_locator=MultipleLocator(0.1)
#    #把x轴的刻度间隔设置为，并存在变量里
#    y_major_locator=MultipleLocator(0.05)
#    #把y轴的刻度间隔设置为，并存在变量里
#    ax=plt.gca()
#    #ax为两条坐标轴的实例
#    ax.xaxis.set_major_locator(x_major_locator)
#    #把x轴的主刻度设置为0.1
#    ax.yaxis.set_major_locator(y_major_locator)
#    #把y轴的主刻度设置为0.05

    plt.savefig('temp.png')
    img = cv2.imread('temp.png')
    image_list.append(imageio.imread('temp.png'))
    plt.pause(0.1)
    plt.close()
imageio.mimsave(output_path, image_list, 'GIF', duration=0.35)
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excel的链接：https://download.csdn.net/download/weixin_43245453/86996059