def METHOD_NAME(self, pyomo_block):
    # set lower bounds on the inputs and outputs
    pyomo_block.inputs['sv'].setlb(0)
    pyomo_block.outputs['ca'].setlb(0)
    pyomo_block.outputs['cb'].setlb(0)
    pyomo_block.outputs['cc'].setlb(0)
    pyomo_block.outputs['cd'].setlb(0)
    # initialize the variables
    pyomo_block.inputs['sv'].value = 5
    pyomo_block.inputs['caf'].value = 10000
    pyomo_block.inputs['k1'].value = 5 / 6
    pyomo_block.inputs['k2'].value = 5 / 3
    pyomo_block.inputs['k3'].value = 1 / 6000
    pyomo_block.outputs['ca'].value = 1
    pyomo_block.outputs['cb'].value = 1
    pyomo_block.outputs['cc'].value = 1
    pyomo_block.outputs['cd'].value = 1