Low Storage Runge-Kutta

[jocelynpoon]

PR for the Low Storage RK Method

Code for [3S] and [3S+] methods. Tableaus for RK4(3)5[3S], RK3(2)5F[3S+], RK4(3)9F[3S+], and RK4(4)10F[3S+] schemes.

low_storage_runge_kutta_ode_solver.cpp

• Algorithms for [3S] and [3S+] methods
• Error adaptive step size
• Automatic initial step size

low_storage_rk_tableau_base.cpp

• Sets tableau and gets tableau values

low_storage_runge_kutta_methods.cpp

• Tableaus for RK4(3)5[3S], RK3(2)5F[3S+], RK4(3)9F[3S+], and RK5(4)10F[3S+] schemes.
• Tableaus include gamma, beta, delta, b^hat coefficients

parameters_ode_solver.cpp

• Add methods to ODE solver parameters
• Add subsection low-storage rk solver to prm file to set atol, rtol, beta1, beta2, beta3

ctest log: (some tests that failed in the log don't fail anymore because I reverted the tests back to what's on master) log.txt

[jocelynpoon]

Hi Carolyn and Shruthi, thanks for going through my code and leaving comments. I went through all your comments and made changes. Let me know if you see anything else that should be changed, thanks!

[sonarcloud[bot]]

Quality Gate passed

Issues
23 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
2.6% Duplication on New Code

See analysis details on SonarCloud