In Miller v. Miller, 16 Conn. App. 412, 415-16, 547 A.2d 922, cert. denied, 209 Conn. 823, 552 A.2d 430 (1988) the Court determined that the trial court did not have the authority to modify an award of lump sum alimony where the plaintiff had filed a motion for clarification rather than a motion to open, holding that court acted without jurisdiction in substantively modifying existing lump sum alimony award pursuant to motion for clarification Id.