diff options
Diffstat (limited to 'examples/hodgkin_huxley/model.modelica')
| -rw-r--r-- | examples/hodgkin_huxley/model.modelica | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/examples/hodgkin_huxley/model.modelica b/examples/hodgkin_huxley/model.modelica deleted file mode 100644 index 7e44547..0000000 --- a/examples/hodgkin_huxley/model.modelica +++ /dev/null @@ -1,32 +0,0 @@ -model HodgkinHuxley - "Model of action potential in squid neurons (1952)" - parameter Real C_m =1.0 "membrane capacitance"; - parameter Real g_Na =120 "conductance"; - parameter Real g_K =36 "conductance"; - parameter Real g_L =0.3 "conductance"; - parameter Real V_Na =115 "potential"; - parameter Real V_K =-12 "potential"; - parameter Real V_lk =-49.387 "leak reveral potential"; - parameter Real E_Na =-190 "equilibrium potential"; - parameter Real E_K =-63 "equilibrium potential"; - parameter Real E_lk =-85.613 "equilibrium potential"; - parameter Real n =0.31768 "dimensionless; 0 to 1"; - parameter Real m =0.05293 "dimensionless; 0 to 1"; - parameter Real h =0.59612 "dimensionless; 0 to 1"; - Real V_m "membrane voltage potential"; - Real I =1.0 "membrane current"; - Real alpha_n, alpha_m, alpha_h "rate constants"; - Real beta_n, beta_m, beta_h "rate constants"; -equation - C_m * der(V_m) = I - g_Na * m^3 * h * (V_m - E_Na) - g_K * n^4 * (V_m - E_K) - G_lk * (V_m - E_lk); - der(n) = alpha_n - n * (alpha_n + beta_n); - der(m) = alpha_m - m * (alpha_m + beta_m); - der(h) = alpha_h - h * (alpha_h + beta_h); - - alpha_n = 0.01 * (V_m + 10) / (e^((V_m + 10)/10) - 1); - alpha_m = 0.1 * (V_m + 25) / (e^((V_m + 25)/10) - 1); - alpha_h = 0.07 * e^(V_m / 20); - beta_n = 0.125 * e^(V_m / 80); - beta_m = 4*e^(V_m/18); - beta_h = 1 / (e^((V_m + 30)/10) + 1); -end HodgkinHuxley; |