CMCLab 1.0

name Perturbed Cylinder

# Perturbed Delaunay unduloid
# Necksize 1/5 (weight 16/25)
# Ends at {0, ComplexInfinity}

potential
{{0,
  (2/(5*z))/t +
  (1/(10*z))},{
  0.2 + 1/(10*z) +
  (2/(5*z))t,
  0}}

domain triangulated
boundary
Loop
circle 0; 4; (0)2Pi; (1)2Pi; 24
Loop
circle 0; 0.001; (0)2Pi; (1)2Pi; 24
Hole
point 0

max_area 0.1
min_angle 28
smooth 10
refine 0
max_area2 0.02

zstart 1
lambda R3 0
normalshift 1
polynomial_length 18
basis_length 32
birkhoff true
initial_integrator_count 100
integrator_count 1

xstart
{{+(-1.061919084332778e-9)t^(-8)
+(4.564497034743037e-8)t^(-7)
+(-1.5300720890832594e-6)t^(-6)
+(0.00003709243813795018)t^(-5)
+(-0.0006178599660745631)t^(-4)
+(0.006540293264001944)t^(-3)
+(-0.02768220940713024)t^(-2)
+(-0.13114407864360803)t^(-1)
+(0.10838778500768716)
+(-0.05736649715167535)t
+(-0.00573953619358546)t^2
+(0.00269335114660335)t^3
+(-0.0003134065459767829)t^4
+(0.00001999315824673991)t^5
+(-8.392357833745486e-7)t^6
+(2.5262616141871202e-8)t^7
+(-6.333663859598341e-10)t^8
+(-1.0200174459451987e-10)t^16
+(-1.1003057328629359e-10)t^17
+(-1.1805793266749492e-10)t^18
,
+(-6.203339514835889e-10)t^(-8)
+(2.7889374308053468e-8)t^(-7)
+(-9.331276824107756e-7)t^(-6)
+(0.000020305175550750473)t^(-5)
+(-0.00032358449043600753)t^(-4)
+(0.0068428249523246705)t^(-3)
+(-0.081733043135625)t^(-2)
+(-0.02314588730838633)t^(-1)
+(0.0022840499701539865)
+(0.00035169572361786844)t
+(-0.0000666296439012261)t^2
+(4.939745130776092e-6)t^3
+(-2.2297331078252054e-7)t^4
+(7.058912682365417e-9)t^5
+(-1.2203073326116327e-10)t^6
},{
0,
+(-5.979923073888599e-10)t^(-6)
+(2.5427253074407895e-8)t^(-5)
+(-8.447117520024396e-7)t^(-4)
+(0.000020167581441756364)t^(-3)
+(-0.00031723689190517004)t^(-2)
+(0.002744166137419213)t^(-1)
+(-0.005991506175578516)
+(-0.05929614029247949)t
+(0.12568273875597172)t^2
+(-0.05929614028968942)t^3
+(-0.005991506169998169)t^4
+(0.002744166145789627)t^5
+(-0.0003172368807259301)t^6
+(0.000020167595668300016)t^7
+(-8.446868513710967e-7)t^8
+(2.546017553744633e-8)t^9
+(-5.69423136403591e-10)t^10
}}