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Table 1 Trajectory (geometric) points for mathematical oscillatory/undulatory propulsive waveforms

From: Kinematic study and implementation of a bio-inspired robotic fish underwater vehicle in a Lighthill mathematical framework

Node number

Oscillatory sin

LH quad

LH cubic

NURB quad

 

xpos

ypos

xpos

ypos

xpos

ypos

xpos

ypos

1 (start point)

0.500000

0.029700

0.500000

0.029700

0.500000

0.029700

0.500000

0.029700

2

0.635240

0.160918

0.634913

0.159944

0.634781

0.159549

0.598402

0.046079

3

0.767541

0.245599

0.767169

0.245283

0.767018

0.245155

0.723631

0.204411

4

0.853758

0.283287

0.853553

0.283192

0.853471

0.283154

0.827144

0.270115

5

0.889791

0.296484

0.889726

0.296460

0.889699

0.296450

0.880214

0.292851

6

0.898802

0.299593

0.898791

0.299589

0.898787

0.299587

0.896969

0.298948

7

0.899911

0.299970

0.899910

0.299969

0.899910

0.299969

0.899745

0.299912

8

0.899994

0.299998

0.899994

0.299998

0.899994

0.299998

0.899982

0.299994

9 (end point)

0.900000

0.300000

0.900000

0.300000

0.900000

0.300000

0.900000

0.300000